Question

【题目】The power failure made __________ difficult for us to complete the task on time.

A. that

B. it

C. one

D. this

Answer 1

【答案】B

【解析】考查it的用法。句意：断电使我们难以按时完成任务。 make it +形容词+for sb. to do sth. 结构中，it为形式宾语，to do sth. 作真正的宾语。