The air in the room _______ fresh, I think.

A. isn't

B. didn't

C. hasn't

D. weren't

Could you tell me ________ to get to the supermarket?

A. what

B. that

C. where

D. how

The readingroom is ________ the fifth floor.

A. for

B. to

C. on

D. in

You can put your bike ________ the tree ________ the house.

A. both; and

B. between; and

C. so; that

D. too; to

Please take the backpack ________ your classroom.

A. from

B. at

C. in

D. to

The young mother ________ her baby, then went shopping with him.

A. put on

B. wore

C. dressed

D. dressed up

His income is very low. So he has to ________ his money for his son to go to school.

A. spend

B. save

C. keep

D. stay

So far we ________ the moon.

A. have arrived

B. gets to

C. have reached

D. arrived

?I can't find my bag.

?You ________ it on the bus.

A. must leave

B. should have left

C. must have forgotten

D. must have left

The train ________ when we got there.

A. had left

B. left

C. leave

D. Leaves