单项选择题

Can you take the day off tomorrow -Well, I'll have to get ______ from my boss.

A．permission
B．permit
C．allowance
D．possession
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单项选择题
They agreed to share in common any ______ of funds after all expenses were paid in full.
A．sufficiency
B．surpass
C．excess
D．surplus
单项选择题
The ______ problem of bring a space-ship back from the moon has been solved.
A．technical
B．technological
C．technique
D．technology
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