问题

nows nothing about it, so he can’thelp _______ any of your work.

A:doing
B:to do
C:being doing
D:to be done

正确答案是：

同类题型

When I _______ at the hotel, it was very late.

What fruit does Jenny ______—She ______ apples.

The present situation is very complex,so I think it will take me some time to________its reality.[]

Excuse me, can you tell me how to say 4,056 in English —_______

When do they have a rest— ________ noon.