单项选择题

Petrol is manufactured from the ______ oil we take out of the ground.

A．crude
B．raw
C．rough
D．tough
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单项选择题
These features are ______ of what we may call educated informal English.
A．trivial
B．tremendous
C．typical
D．traditional
单项选择题
The bill for the new taxes hasn't ______ the Congress yet.
A．gone over
B．gone cross
C．gone through
D．gone out
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