作业帮_________they_______the study?A.Is；in B.Are;on C.Are;in 选哪个?
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_________they_______the study?A.Is；in B.Are;on C.Are;in 选哪个?
_________they_______the study?A.Is；in B.Are;on C.Are;in 选哪个?
_________they_______the study?A.Is；in B.Are;on C.Are;in 选哪个?
c他们在书房么?study也有书房的意思,they是复数,所以用are如果有帮到你,记得采纳哦~谢谢~♪( ´▽｀)
c