If you are worried _____ the problem, you should do something about it.A、withB、

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问题 If you are worried _____ the problem, you should do something about it.

选项 A、with
B、for
C、on
D、about

答案 D

解析 worry about是固定搭配，意为“为……担心／操心”。worry about可以单独作动词词组来用，也可以用词组be worried about，故D项为正确答案。

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