mary has some cds(改成否定句)mary ____ _____any CDs.

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mary has some cds(改成否定句)mary ____ _____any CDs.
mary has some cds(改成否定句)
mary ____ _____any CDs.

mary has some cds(改成否定句)mary ____ _____any CDs.
doesn't have

Mary doesn't have any CDs。
Mary是第三人称单数,要加does,does后跟动词原形

doesn't have 因为have做实义动词,用doesn't否定

Mary doesn't have any CDs。
Mary是第三人称单数,变否定句时时要借助助动词does,does后接动词原形,否定句中表示许多用any不用some