日本变态节目兄妹父女:英语问题

来源：百度文库 编辑：高考问答 时间：2024/05/07 12:10:38
Has he bought that CD-ROM ?I don't know.
将两句合并成一句,

I don't know if he has bought that CD-ROM

I don't know if he has bought that CD-ROM.

I don't know whether he has bought that CD-ROM or not.

I don't know whether he has bought that CD-ROM .

I don't know whether he has bought that CD-ROM or not

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