问题
选择题
We are busy__________ the final exams.
A.to prepare for
B.preparing for
C.preparing
D.preparing with
答案
答案:B
忙于做某事后面跟动词通常写成be busy (in) doing sth,后面跟名词,通常
写成be busy with sth,表示目的后跟名词用介词for,为期末考试而准备,故
本题选B。