单项选择题

—It is a long time ______ I saw you last.
—Yes, and what a pity it is since it will be a long time ______ we see each other again.

A．before; since
B．since; before
C．when; when
D．since; when
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单项选择题
We found all the roads ______ and buses are moving on them now.
A．repaired
B．repairing
C．repair
D．being repaired
单项选择题
The program was so ______ that the children kept their eyes ______ on the screen.
A．exciting; fixed
B．exciting; fixing
C．excited; fixed
D．excited; fixing
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