问题补充:
He didn’t make clear when and where the meeting would be held.
A. this
B. that
C. it
D. these
答案:
A. this
B. that
(答案→)C. it
D. these
解析:本题重在理解it用法,本题中it 指代when and where the meeting would be held. 在句中作make的宾语,clear 清楚的,在句中作宾语补足语。
句意:他没有弄清楚,会议会在何时何地举行。故选C