How many _________are there in the building?A.study B.studys C.studies D.studying最好说出理由.
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Howmany_________arethereinthebuilding?A.studyB.studysC.studiesD.studying最好说出理由.Howmany_________areth
How many _________are there in the building?A.study B.studys C.studies D.studying最好说出理由.
How many _________are there in the building?A.study B.studys C.studies D.studying
最好说出理由.
How many _________are there in the building?A.study B.studys C.studies D.studying最好说出理由.
C.studies
study在这里是书房的意思
C.study可数名词，而how many 后加名词复数。