单项选择题

You can stay in my room ______ you promise not to use my computer.

A．so far as
B．except
C．unless
D．provided
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It is essential that we _______ measures to protect the ozone layer.
A．will take
B．should take
C．would take
D．took
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It took me a year to be ______ to the college life.
A．adapted
B．adopted
C．accepted
D．received
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