You cannot be __________ careful 怎么选择

A.to tell

B.telling

C.to telling

D.tell

A、but you cannot make him drink.

B、but you cannot make him go back.

C、but you cannot make him run fast.

D、but you cannot make him walk fast.

.

A.deny

B.reject

C.withdraw

D.avoid

A.with

B.to

C.without

- I'm afraid I cannot pass the exam. - ________.

A、Why not？ You can do it!

B、You are right.

C、The same to you.

D、I hope so!

I cannot play with you now.I ____my homework.

A.do

B.am doing

C.did

D.have done