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17．They didn't come to the meeting ________ the heavy rain．（　　）

A．

because

B．

with

C．

because of

D．

for

分析因為大雨他們沒有來參加會議．

解答答案：C．考查常用的介詞辨析．句意"因為大雨他們沒有來參加會議．"because 是連詞，后面常跟從句，即接句子，表示原因；with 和，有，不表示原因；because of 因為，后面接短語，名詞或動詞的-ing形式，表示原因．for 為了，或用在一些固定短語中表示原因．根據題干They didn't come to the meeting ________ the heavy rain．可知是因為大雨他們沒有來參加會議．故選C．

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