— What ____________the cats doing?— They are ____________.[ ]A. are, fishingB. is, fishingC. are, fi
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题目简介
— What ____________the cats doing?— They are ____________.[ ]A. are, fishingB. is, fishingC. are, fi
题目详情
— They are ____________.
[ ]
B. is, fishing
C. are, fish
答案