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【单选题】

A ping-pong ball and a tennis______under the bed.

[ ]

A.
is
B.
am
C.
are
D.
is not
举报
参考答案:
参考解析:
.
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举一反三

【单选题】_________ are all the gifts?[ ]

A.
How many
B.
How often
C.
How much
D.
How long