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We ______ in Grade Four now. ( )
A.is
B.am
C.are
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0.99难度 选择题 更新时间:2018-12-07 03:03:24
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同类题1
I ______ ten years old. ( )
A.am
B.is
C.are
同类题2
This __________ a train.( )
A.are
B.am
C.is
同类题3
There _________ a book on the desk. ( )
A.is
B.are
C.am
同类题4
There ______ a river on the farm before. ( )
A.is
B.are
C.was
同类题5
There ________ flowers. ( )
A.is
B.are
C.an
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