Câu 1

They __________ and moved to the countryside at the age of 60.

would retire
were retiring
retired
have retired
Câu 2

Julia __________ cookies at noon yesterday.

were baking
has baked
baked
was baking
Câu 3

__________ in the living room when the earthquake struck?

Are they chatting
Have they chatted
Did they chat
Were they chatting
Câu 4

Yesterday, our computer crashed, and we __________ all our important documents.

was losing
will lose
lost
were losing
Câu 5

While I __________ through the countryside, a deer suddenly leaped onto the road.

was driving
had driven
am driving
drove
Câu 6

He __________ to go back to school, and finally earned his degree in engineering.

will decide
decided
decides
was deciding
Câu 7

Peter was sleeping when his dog suddenly __________.

will bark
barks
barked
was barking
Câu 8

The students __________ English literature at 9 o'clock yesterday morning. 

have discussed 
were discussing
are discussing
discussed
Câu 9

We __________ a picnic when a squirrel stole our sandwiches.

were having
are having
had
have had
Câu 10

__________ his own business after retiring in 2017?

Did he start
Was he starting
Does he start
Has he started
Câu 11

His cat jumped onto his lap while he __________ a newspaper.

read
was reading
would read
has read
Câu 12

While Joey __________ dinner, his wife was playing with their children.

is cooking
cooks
cooked
was cooking
Câu 13

While Sarah __________ at the mall, she received a message from her sister.

was shopping
is shopping
has shopped
shopped
Câu 14

The project __________ because of a lack of teamwork.

isn't succeeding
don't succeed
didn't succeed
wasn't succeeding
Câu 15

When the rain started pouring, the girls __________ in the backyard.

played
were playing
are playing
have played
Câu 16

The birds __________ merrily. Jack sat on the grass and listened to their songs. He thought back to the day he'd first met Sophie.

were singing
will be singing 
are singing
sang
Câu 17

I woke up, brushed my teeth, and __________ breakfast with eggs, toast and a cup of coffee.

was having
will have
have
had
Câu 18

The children were preparing for the trip. Tom __________ their lunch while Emily was checking the weather forecast.

was packing
will pack
packed
packs
Câu 19

When the guests arrived, everyone __________ dinner in the kitchen.

has prepared
were preparing
prepare
was preparing
Câu 20

It __________ outside. Mary sat by the window. She loved watching the snowflakes fall silently to the ground.

was snowing
snows
is snowing
snowed
Câu 21

Were the boys swimming when you saw them yesterday? - No. They fished by the lake.

Were
when
saw
fished
Câu 22

The librarian was dusting the shelves when some books suddenly were falling off the shelf.

was dusting
when
some
were falling
Câu 23

After years of hard work, my grandmother finally was achieving her dream of becoming a director.

After
was achieving
dream of
becoming
Câu 24

He found a rare species of flower by accident after he was hiking in the mountains.

found
by
after
the mountains
Câu 25

When the party finished, everyone was helping to clean up the decorations and dishes.

When
was helping
to clean
the
Câu 26

The children built sandcastles on the beach when a sudden wave washed them away.

built
on
when
sudden