标签:这个to是介词还是不定式符号
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这个to是介词还是不定式符号
这个to是介词还是不定式符号【题目】We are looking forward to ________ from Mary.A. hearB. hearingC. heardD. have heard【剖析】此题应选B。容易误选A,觉得其
这个to是介词还是不定式符号【题目】We are looking forward to ________ from Mary.A. hearB. hearingC. heardD. have heard【剖析】此题应选B。容易误选A,觉得其