单项选择题

—Have you examine them all
—Yes,______.

A．each one
B．every one
C．each
D．every
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单项选择题
—_______may I ______the book —For three weeks.
A．How often, borrow
B．How often, keep
C．How long, borrow
D．How long, keep
单项选择题
It's a long time since he left his England, ______
A．didn't he
B．hadn't he
C．wasn't it
D．isn't it
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