1. Untreated
2. Poison
3. Radioactive
4. Aquatic
5. Dumped
6. Contaminated
7. Effects
8. Pollutant
9. Sewage
10. Dead 

1. Had finished
2. Comes
3. Will have
4. Arrives
5. Finish
6. Will be
7. Comes
8. Is
9. Will leave
10. Gets

1. Fruit
2. Pet
3. Furniture
4. Clothing
5. Food
6. Drink
7. Jewelry
8. Toy
9. Flower
10. Novel

1. Often
2. Occasionally
3. Yearly
4. Check my health yearly
5. Never
6. Sometimes
7. Often has missed
8. Frequently
9. Rarely
10. Never went to college

1. Works
2. Likes
3. Lives
4. Rains
5. Fries
6. Closes
7. Tries, don't think
8. Passed (Note: Suggests past, but in context of exercises, fits tense shift)
9. Is, watch
10. Writes
11. Speak
12. Don’t live 

1. Were building
2. Was drinking
3. Was chatting, was teaching
4. Was watching
5. Was preparing
6. Were doing
7. Were going
8. Weren’t going
9. Wasn’t doing
10. Was reading, were playing

1. Was walking, saw
2. Was helping, came
3. Was cooking, were playing
4. Were playing, was sleeping
5. Was working, called
6. Was watching, were playing
7. Was washing, began
8. Was blowing, landed
9. Was playing, began
10. Was watching, went
11. Was playing, was listening
12. Was tidying, was washing
13. Were helping, was watering
14. Met, was walking
15. Were playing, were reading

1. X
2. In
3. At
4. At
5. In
6. X
7. On
8. On
9. In
10. At, X

1. Yours
2. Mine
3. Mine
4. Her
5. Your
6. Theirs
7. Our
8. My
9. Her
10. Their
11. Their
12. Hers
13. Mine
14. Ours
15. Our
16. My
17. My
18. Theirs
19. Ours
20. Your

1. The boy told the girl (that) he would never see her again.
2. He told her (that) she was his best friend.
3. Johnny told his mother (that) he didn’t know how to do that exercise.
4. The children said (that) they were waiting for the school bus.
5. Mary said (that) her father had died a year before.
6. John said (that) he had finished studying his lesson.
7. Mary told John (that) she could not go to the movies with him.
8. Mary told her friend (that) she would expect to see him the following Wednesday.
9. He said (that) he didn’t know what had happened.
10. She said (that) she had gone to the doctor the day before.
11. He said (that) he had a toothache.
12. She said (that) she would write him a prescription.
13. They said (that) they were going to the drugstore.
14. He said (that) the doctor had given him some pills.
15. She said (that) she went to the supermarket every day. 

1. She asked where her umbrella was.
   2 

;)

...

9.23

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