题目内容
【题目】We have made ___________ clear that we are strongly against smoking in the office.
A. this B. that C. it D. one
【答案】C
【解析】句意:我们已经明确表示强烈反对在办公室吸烟。it作形式宾语,that we are strongly against smoking in the office为真正的宾语。
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