单项选择题

After three full hours of laboring over the market report, he stood up, went outside and ______ his back.

A．extended
B．strained
C．pulled
D．stretched
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单项选择题
______ the new fund-raising plan is approved, we will soon have more money to build the gymnasium.
A．While
B．Given
C．Unless
D．Even if
单项选择题
That ______ me of the days I spent in the countryside.
A．reminded
B．remembered
C．memorized
D．recalled
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