what'sthis?A bag?A.Yes,a bag B.Yes,they’re bags.选哪个
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what''sthis?Abag?A.Yes,abagB.Yes,they’rebags.选哪个what''sthis?Abag?A.Yes,abagB.Yes,they’rebags.选哪个what''s
what'sthis?A bag?A.Yes,a bag B.Yes,they’re bags.选哪个
what'sthis?A bag?A.Yes,a bag B.Yes,they’re bags.选哪个
what'sthis?A bag?A.Yes,a bag B.Yes,they’re bags.选哪个
选择A,侧重问这个东西是什么,而且为单数.
如果问题是what's this?the bag?则答案选择B.侧重问这个东西是哪一类.