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【单选题】

What_____ yourmotherdoing?
[ ]

A.
is
B.
are
C.
does
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参考答案:
参考解析:
.
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举一反三

【单选题】The new-designed car is on show now. I wonder _____. [ ]

A.
how much it cost
B.
how much did it cost
C.
how much it costs
D.
how much does it cost

【单选题】What is the third day of the week?[ ]

A.
The third day of the week is Wednesday.
B.
The third day of the week is Tuesday.