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SHOULD Reason 1: Teenagers have little time left for homework.

Examples/Facts/Explanations: Teenagers spend too much time watching online videos, checking social media, or playing computer games.

Reason 2: (1) Too much screen time is bad for teenagers' health.

Examples/Facts/Explanations: (2) Too much screen time can damage eyesight, reduce sleep time, and cause weight gain. SHOULDN'T Reason 1: Quality of screen time is more important than quantity. Examples/Facts/Explanations: Teenagers can learn a lot of useful knowledge and necessary skills through online educational games and videos. Reason 2: (3) The gap between teenagers and parents may become wider. Examples/Facts/Explanations:(4) Teenagers may think their parents are not fair to them.

SHOULD Reason 1: Teenagers have little time left for homework.

Examples/Facts/Explanations: Teenagers spend too much time watching online videos, checking social media, or playing computer games.

Reason 2: (1) Too much screen time is bad for teenagers' health.

Examples/Facts/Explanations: (2) Too much screen time can damage eyesight, reduce sleep time, and cause weight gain. SHOULDN'T Reason 1: Quality of screen time is more important than quantity. Examples/Facts/Explanations: Teenagers can learn a lot of useful knowledge and necessary skills through online educational games and videos. Reason 2: (3) The gap between teenagers and parents may become wider. Examples/Facts/Explanations:(4) Teenagers may think their parents are not fair to them.

SHOULD Reason 1: Teenagers have little time left for homework.

Examples/Facts/Explanations: Teenagers spend too much time watching online videos, checking social media, or playing computer games.

Reason 2: (1) Too much screen time is bad for teenagers' health.

Examples/Facts/Explanations: (2) Too much screen time can damage eyesight, reduce sleep time, and cause weight gain. SHOULDN'T Reason 1: Quality of screen time is more important than quantity. Examples/Facts/Explanations: Teenagers can learn a lot of useful knowledge and necessary skills through online educational games and videos. Reason 2: (3) The gap between teenagers and parents may become wider. Examples/Facts/Explanations:(4) Teenagers may think their parents are not fair to them.

SHOULD Reason 1: Teenagers have little time left for homework.

Examples/Facts/Explanations: Teenagers spend too much time watching online videos, checking social media, or playing computer games.

Reason 2: (1) Too much screen time is bad for teenagers' health.

Examples/Facts/Explanations: (2) Too much screen time can damage eyesight, reduce sleep time, and cause weight gain. SHOULDN'T Reason 1: Quality of screen time is more important than quantity. Examples/Facts/Explanations: Teenagers can learn a lot of useful knowledge and necessary skills through online educational games and videos. Reason 2: (3) The gap between teenagers and parents may become wider. Examples/Facts/Explanations:(4) Teenagers may think their parents are not fair to them.

SHOULD Reason 1: Teenagers have little time left for homework.

Examples/Facts/Explanations: Teenagers spend too much time watching online videos, checking social media, or playing computer games.

Reason 2: (1) Too much screen time is bad for teenagers' health.

Examples/Facts/Explanations: (2) Too much screen time can damage eyesight, reduce sleep time, and cause weight gain. SHOULDN'T Reason 1: Quality of screen time is more important than quantity. Examples/Facts/Explanations: Teenagers can learn a lot of useful knowledge and necessary skills through online educational games and videos. Reason 2: (3) The gap between teenagers and parents may become wider. Examples/Facts/Explanations:(4) Teenagers may think their parents are not fair to them.

SHOULD Reason 1: Teenagers have little time left for homework.

Examples/Facts/Explanations: Teenagers spend too much time watching online videos, checking social media, or playing computer games.

Reason 2: (1) Too much screen time is bad for teenagers' health.

Examples/Facts/Explanations: (2) Too much screen time can damage eyesight, reduce sleep time, and cause weight gain. SHOULDN'T Reason 1: Quality of screen time is more important than quantity. Examples/Facts/Explanations: Teenagers can learn a lot of useful knowledge and necessary skills through online educational games and videos. Reason 2: (3) The gap between teenagers and parents may become wider. Examples/Facts/Explanations:(4) Teenagers may think their parents are not fair to them.

SHOULD Reason 1: Teenagers have little time left for homework.

Examples/Facts/Explanations: Teenagers spend too much time watching online videos, checking social media, or playing computer games.

Reason 2: (1) Too much screen time is bad for teenagers' health.

Examples/Facts/Explanations: (2) Too much screen time can damage eyesight, reduce sleep time, and cause weight gain. SHOULDN'T Reason 1: Quality of screen time is more important than quantity. Examples/Facts/Explanations: Teenagers can learn a lot of useful knowledge and necessary skills through online educational games and videos. Reason 2: (3) The gap between teenagers and parents may become wider. Examples/Facts/Explanations:(4) Teenagers may think their parents are not fair to them.