题目内容
After Yang Liwei succeeded in circling the earth, _______ our astronauts desire to do is walk in space.
A. where B. what?C. that D. how?
B?
解析:
在题干中,谓语desire to do 之后又出现了谓语动词is,说明is 之前是主语从句。能够引导主语从句并在其中充当主语的只有what。?
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After Yang Liwei succeeded in circling the earth, Chinese astronauts __________ walk in space.
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