问题描述:
half class做主语谓语动词用单数还是复数?
Listen!The class __ in the classroom.
A.is sing B.is singing C.are sing D.are singing
这道题应该选什么?
Listen!The class __ in the classroom.
A.is sing B.is singing C.are sing D.are singing
这道题应该选什么?
问题解答:
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