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题目内容
（新疆广播电视大学-大学英语（一））
What do you think of his proposal that improvements ______ in the old type of vacuum cleaner?
Abe made
Bwill be made
Cwould be made
Dwill have to be made
Abe made
Bwill be made
Cwould be made
Dwill have to be made
参考答案
