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They have nothing to____A.worry B.worry about C.worried D.be

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They have nothing to____A.worry B.worry about C.worried D.be worried
They have nothing to____A.worry B.worry about C.worried D.be
B 担心
再问: D和A,C也是担心啊?
再答: 因为nothing是担心的宾语,而worry是不及物动词,所以它后面要带上介词about才能接宾语。 worry about something
再问: D选项是什么意思? worried是worry的过去式吗?
再答: 是过去分词,be worried 是被动形式。You will be worried by us. 被担心