1 . 阻止他昨天参加会议的是他妈妈那时生病了。
What______ him ________ ______ the meeting yesterday is that his mother was ill then.
What
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2 . The people who were hit by the flood appreciate ________ food and aid by the government.
A.to give | B.giving | C.being given | D.to be given |
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