问题
填空题
| 从方框中选择适当的词或词组，并用其恰当的形式填空 | |
2. The bell is______. It' s time for class. 3. My alarm clock didn't _____ yesterday morning. 4. —Have you ever______ your keys in your house and was late for work? —Yes, I have . |
答案
1. show 2. ringing 3. go off 4. locked; overslept