1. He ........... solve the problem.

has

can

have

is

2. We can ............. the food.

cooked

cooks

cook

cooking

3. ............I help you?

has

have

can

are

4. You ............ take photographs in museum.

can

are

have

ought

5. We can ............ here in time.

been

be

was

were

6. You can not ............. the class.

entered

enter

entering

enters