问题

When _____ help, one often says “Thank you.” or “it’skind of you”

A:offering
B:to offer
C:to be offered
D:offered

正确答案是：

同类题型

e how you work out the answer,_______ you

There ______ a school trip this weekend. We will have a great time.

age your children to try new things,but try not to__________them too hard.

I need something for cutting the paper. — Oh, you want aknife? OK, I’ll get ______ for you.

He made up his mind to devote his life pollution happily.