问题

Lily often helps her sister ____herhomework.
A:for
B:at
C:of
D:with
B:at
C:of
D:with
正确答案是:
同类题型
Listening is just as ______ as speaking in language learning.
Was it because he was ill ____ he asked for leave?
Are you satisfied with what she has done –Not a little It can’t be______
Are you satisfied with theresult—Not at all It couldn’t be _________
Would you like to spend the vacation in Paris with me? — I’ d like to you pay for me