填空题

______ (use) economically, one tin of oil will last at least two months.

【参考答案】

Used

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热门试题

单项选择题

A．She got up late.
B．She had a traffic accident.
C．There was something wrong with her car.
D．The road was traffic-jammed.

填空题

How would you feel if you tell the same story again and again？You may feel（）telling the same story.