问题描述:
I didn't know which tape was better,so I took them __.
I didn't know which tape was better,so I took them ____.
A.all B.each C.none D.both
该选哪个?并说明理由.
I didn't know which tape was better,so I took them ____.
A.all B.each C.none D.both
该选哪个?并说明理由.
问题解答:
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