单项选择题

We should ______ study hard during our time in the university.

A．all
B．every
C．some
D．any
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单项选择题
It was not until ______ that ______ to prepare his lessons.
A．did his father come in, the boy began
B．did his father come in, did the boy begin
C．his father came in, the boy began
D．his father came in, did the boy begin
单项选择题
He told me that ______ nothing there was worth looking into.
A．nearly
B．almost
C．hardly
D．seldom
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