Question

【题目】I was late this morning,because my alarm clock didn't________.

A.run offB.set offC.go offD.put off

Answer 1

【答案】C

【解析】

句意：今天早上我迟到了，因为我的闹钟没响。

考查动词短语。run off流失；set off出发；go off发出响声；put off推迟；根据句意理解可知，这里表达的是“闹钟没有响”，应该用go off，故选C。