Question

【题目】---- What are you busy _________ these days?

----A big collection of money for charities. We hope to improve the life of the people in the countryside.

A.in B. do C. with

Answer 1

【答案】C

【解析】

试题分析：句意：---这些天你在忙于什么？---为慈善捐赠一大笔钱。我们希望提高乡下人们的生活。此题

考查固定短语be busy with忙于某事。根据句意，应选C。