---Why did the teacher get angry?- what we had done the day before.A. BecauseB. SinceC

发布时间：2020-08-16 13:45:34


---Why did the teacher get angry?  ---      what we had done the day before.
A. Because
B. Since
C. As
D. Because of

网友回答

A. Because
B. Since
C. As
(答案→)D. Because of
解析：考查介词短语。because of 是介词短语，后接名词、代词或者接名词性从句。而在此处是有what引导的名词性从句，相当于一个名词，所以用because of。
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