单项选择题

For some time now, world leaders_______out the necessity for agreement on arms reduction.

A．had been pointing
B．have been pointing
C．were pointing
D．pointed
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单项选择题
What is NOT a change to the literature class
A．Class location.
B．Class times.
C．Class length.
D．Class size.
单项选择题
A．thusB．soC．andD．or
A．thus
B．so
C．and
D．or
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