问题描述：
Look at the photo.The boy______.
A.swimming
B.doesn't swim
C.don't swimming
D.is swimming
应该用一般现在时还是现在进行时?
A.swimming
B.doesn't swim
C.don't swimming
D.is swimming
应该用一般现在时还是现在进行时?
问题解答：
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