In case of fire break the glass and push red button.A. / aB. / theC. the theD. a. a

问题补充：

In case of fire, break the glass and push red button.

A. /, a

B. /, the

C. the, the

D. a. a

答案：

A. /, a

(答案→)B. /, the

C. the, the

D. a. a

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