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【单选题】

This robot is supposed to save a lot of labor, but it remains a problem if it ______.

A.
is
B.
saves
C.
does
D.
has
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】A talk on WTO_____in our college next week. [ ]

A.
is given
B.
will be given
C.
has been given
D.
have been given

【单选题】—______.—She is a beautiful movie star.[ ]

A.
Who is MaggieQ
B.
How was MaggieQ
C.
What kind of person is MaggieQ
D.
Is Maggie Q a movie star