问题:
【题文】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
【题文】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 |
参考答案: