题目内容
【题目】Look! Theyin the swimming pool.
A.are swimming
B.swimming
C.swims
【答案】A
【解析】句意：看！他们在游泳池里......。本句是现在进行时，构成be+doing，主语的复数，be用are，swim-swimming，故选A.
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题目内容
【题目】Look! Theyin the swimming pool.
A.are swimming
B.swimming
C.swims
【答案】A
【解析】句意：看！他们在游泳池里......。本句是现在进行时，构成be+doing，主语的复数，be用are，swim-swimming，故选A.