单项选择题

When we got to the station, we were so sorry to find that the train was ______.

A．taking up
B．pulling away
C．taking off
D．pulling out
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单项选择题
Sorry, I'm late. I was delayed by a traffic ______.
A．block
B．jam
C．trouble
D．injury
单项选择题
The new building is said ______ by the end of next month.
A．to finish
B．to be finished
C．to have finished
D．being finished
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