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The worker examined the machine carefully to make sure that it wouldn't while wo

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The worker examined the machine carefully to make sure that it wouldn't while wo

The worker examined the machine carefully to make sure that it wouldn't ________ while working．

[]A．

break down

B．

break away

C．

break up

D．

break out

试题答案

答案：A

标签：tocarefullysuremakemachine

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