单项选择题

The first two problems are very difficult, but the rest ______ easy.

A．is
B．are
C．has
D．have
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单项选择题
Nancy's aunt ______ a hard life in a small village now.
A．is said to be living
B．says to be living
C．is said to have lived
D．says to have lived
单项选择题
The advisers propose that the plan ______ postponed for a few weeks.
A．been
B．to be
C．be
D．being
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