Question

We are busy__________ the final exams.

A．to prepare for

B．preparing for

C．preparing

D．preparing with

Answer 1

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。