The sign reads “In case of ____ fire, break the glass and push ____ red button. ”
A. 不填；a B. 不填；the C. the; the D. a; a
The sign reads “In case of ____ fire, break the glass and push ____ red button. ”
A. 不填；a B. 不填；the C. the; the D. a; a
B
fire 表示火，抽象不可数，那个红色的按钮特指。