The sign reads In case offire break the glass and pushred button. A. /; aB. /; theC. the

问题补充：

The sign reads In case offire, break the glass and pushred 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：考查冠词：句意：标志上面写到“如果有火，打破玻璃，按红色的按钮”。第一空不填，泛指“火”，第二空填the，特指“那个红色的按钮”，选B。