PROGRESS TEST A2-B1 GRAMMAR

I need____some emails.

• to answer

• answer

• answering

The situation is difficult_____

• for explain

• explain

• to explain

I don't know what____

• do

• to do

• that I do

I don't really mind____housework.

• do

• to do

• doing

____is one of the best forms of exercise.

• Swiming

• Swimming

• Swim

____bring our books tomorrow?

• Do we have to

• Have we to

• Do we must

It's free. You_____pay.

• don't have to

• mustn't

• haven't to

You must_____your mother.

• to call

• calling

• call

You____drink so much coffee.

• not should

• don't should

• shouldn't

If she____, she won't come back.

• goes

• went

• 'll go