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What _____ he doing? ( )
A.is
B.are
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0.99难度 选择题 更新时间:2020-03-05 04:12:11
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同类题1
It ____ Monday. ( )
A.is
B.are
C./
同类题2
— Are they giraffes? ( )
—Yes, they ______.
A.am
B.is
C.are
同类题3
It _____ October 27 yesterday .
A.is
B.are
C.was
同类题4
—Where ______ they from? ( )
—Canada.
A.can
B.are
C.is
D.do
同类题5
There ______ two brown dogs behind the door. ( )
A.is
B.are
C.have
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