1— Lucy, you your ticket?— Not yet.

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/09/20 13:40:42

1— Lucy,________ you________ your ticket?— Not yet.
A.did,find B.have,found C.has,found D.do,find
2.— Where’s Mr.Lee?I have something unusual to tell him.
— You ________ find him.He has gone to Japan.
A.may not B.mustn’t C.can’t D.couldn’t

1.B
根据答语的not yet可知问句采用现在完成时.
因为yet是现在完成时的特征用词,即：Not yet = I haven't found my ticket yet.
2.C
只有can't可以表示“你（现在）不可能找到它”.
may表示可能性时,一般用于肯定句/疑问句,不用于否定may not；
mustn't意思是“不许/禁止”,句意不通；
couldn't表示“你过去不可能找打他”,时态错误.

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