问题补充:
He didn’t makeclear when and where the meeting will be held.
A. this
B. that
C. it
D. these
答案:
A. this
B. that
(答案→)C. it
D. these
解析:考查it用法。在英语中只有it可以作为形式主语和形式宾语。在本题中it作为形式宾语,真正的宾语是when and where the meeting will be held.句意:他没有说清楚何时何地会议被举行。故C正确。