单项选择题

The number of articles published on cancer ______ amazing.

A．is
B．are
C．have
D．have been
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单项选择题
The maid was executed after being convicted ______murder, despite protests from various quarters that her guilt had not been adequately established.
A) for
B) with
C) of
D) by
单项选择题
The teacher, as well as the students ______ having a picnic. A) are C) be B) is D) being
The teacher, as well as the students ______ having a picnic.
A) are C) be
B) is D) being
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