单项选择题

A．A fuel that burns cleanly.
B．An oil additive that helps cool engines.
C．A material from which filters are made.
D．An insulating material sprayed on engine parts.
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单项选择题
A．Florida.B．California.C．Nevada.D．Hannibal.
A．Florida.
B．California.
C．Nevada.
D．Hannibal.
单项选择题
A．She doesn’t like football.B．She has no money left.C．She isn’t feeling well.D．She’s too busy to go.
A．She doesn’t like football.
B．She has no money left.
C．She isn’t feeling well.
D．She’s too busy to go.
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