They have nothing to____A.worry B.worry about C.worried D.be worried
问题描述：
They have nothing to____A.worry B.worry about C.worried D.be worried
答
B 担心D和A,C也是担心啊？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 somethingD选项是什么意思？worried是worry的过去式吗？是过去分词，be worried 是被动形式。You will be worried by us. 被担心