填空题

People renewed their interest in natural gas as a fuel as a result of ______ of the late 1960s and early 1970s.

【参考答案】

the oil shortages
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单项选择题
A．At a concert.B．In a museum.C．In a movie theater.D．At a dinner party.
A．At a concert.
B．In a museum.
C．In a movie theater.
D．At a dinner party.
填空题
NGVs aren’t as roomy as gasoline cars because they have to give up cargo and trunk space to accommodate the fuel storage cylinders.
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