单项选择题

A．To restore the normal production of the oil wells.
B．To estimate the losses caused by the fires.
C．To remove the oil left in the desert.
D．To use the oil left in the oil lakes.
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单项选择题
The first time in a class to advance children’’s thinking and expression abilities is when they ask questions.
A．Y
B．N
C．NG
单项选择题
A．Bad weather.B．Drunken driving.C．Too much traffic.D．Wrong traffic signals.
A．Bad weather.
B．Drunken driving.
C．Too much traffic.
D．Wrong traffic signals.
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