問題詳情:
單項填空從A、B、C、D四個選項中,選出可以填入空白處的最佳選項。
It is very kind you to help me with my lessons because it is very difficult me
to learn them well.
A.of;for B.of;of C.for;of D.for;for
【回答】
A
知識點:介詞和介詞短語
題型:選擇題