I was late for school because my alarm clock didn’t ＿＿＿＿＿＿this morning.A. go onB. go offC

问题补充：

I was late for school because my alarm clock didn’t ＿＿＿＿＿＿this morning.

A. go on

B. go off

C. go away

D. go up

答案：

A. go on

(答案→)B. go off

C. go away

D. go up

解析：句意：我上学迟到是因为我的闹钟今天早上没有响。go on坚持下去，继续go off 发出响声； go away消失; 离开；go up上升，增长。所以选B。