题目内容
_____ makes a new invention such a wonderful thing is ____ it allows us to do something ____ we could not do before.
| A.What; what; what | B.That; that; \ | C.What; that; \ | D.That; what; that |
C
考查从句。_____ makes a new invention such a wonderful thing是主语从句,且从句缺少主语,用what引导,排除B,D; ____ it allows us to do something是表语从句,且不缺成分,所以用that引导;something是不定代词作先行词,在定从____ we could not do before中作do的宾语,用that引导,也可省略。所以选C。
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