( )These ______________ are very large.A.roof B.rooves C.roofs

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( )These ______________ are very large.A.roof B.rooves C.roofs
( )These ______________ are very large.
A.roof B.rooves C.roofs

( )These ______________ are very large.A.roof B.rooves C.roofs
楼上错误!
C
roofs 房顶的复数是直接+s o为元音,因此无须去f改ves

C.roofs