问题
The English teacher added that having conversations ________ friends was not ________ at all.
A:in; help
B:with; helpful
C:on; helpless
D:at; helping;
B:with; helpful
C:on; helpless
D:at; helping;
正确答案是：
同类题型
Why do you insist on buying a car ______ you have such good public transportation here?
The window was broken. Try to ________ whohas broken it.
We have two foreign teachers here. One is from England, and ______ is from America.
I’m afraid I _______ people always complaining. Theyjust ruin the mood of the people around them.