A．empty    B．expensive     C．start   D．invent     E．out of     F．flight

A：What’s the matter，dear?
B：I don’t know．All of a sudden，the engine died．It can’t（51）_______ now．
A：Could we be（52）_______ gas?
B：Let’s check it．Oh it’s really（53）________．
A：What a terrible thing! Now it’s five to eight．I’ll be late for the（54）_____．
B：When does the place take off?
A：It will take off in forty minutes．
B：I just want to say who can（55）_______ a car that doesn’t depend on gas．
A：You must be joking．
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