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
The government ______ a mass campaign to wipe out malaria (疟疾) in the area.
A．initiated
B．modified
C．participated
D．comprised
单项选择题
He was ______ admittance to the concert hall for not being properly dressed.
A．rejected
B．denied
C．withheld
D．deprived
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