The sign reads “in ease of fire break the glass and push red button”A. / aB. / theC. the

问题补充：

The sign reads “in ease 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

解析：句中fire为不可数名词，前面不用冠词，表示类别；而the red button用于特指，区别于其他的按纽。