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in our class, when the bell rang and the taacher closed his book, it was a for e

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in our class, when the bell rang and the taacher closed his book, it was a for e

in our class, when the bell rang and the taacher closed his book, it was a ________ for everyone to stand up.

[]

A.signal

B.chance

C.mark

D.measure

试题答案

答案:A