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Choose THREE letters, A-G.
Write your answers in boxes 7-9 on your answer sheet.
Which THREE of the following seven pieces of safety equipment are suggested for use with a hot air balloon?

A.
B.
C.Drop
D.Gas
E.Piezo
F.Synthetic
G.Fire-proof
H.Flint
I.Propane

【参考答案】

A,A
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