Question

【题目】The chairman thought ______necessary to invite Professor Smith to speak at the meeting.

A. that B. it

C. this D. him

Answer 1

【答案】B

【解析】

试题考查it的用法。本句用it作形式宾语，代替 toinviteProfessorSmithtospeakatthemeeting，其他选项均不可以充当形式宾语。句意：主席认为邀请史密斯教授在会上讲话很有必要。故选B。