The secretary didn’t makeclear when and where the meeting would be heldA. thisB. thatC. it

问题补充：

The secretary didn’t makeclear when and where the meeting would be held

A. this

B. that

C. it

D. what

答案：

A. this

B. that

(答案→)C. it

D. what

解析：考查代词。本题考查it作形式宾语，句中真正的宾语为从句when and where the meeting would be held，故选C。