选词填空。go off, run off, by the time, on ti

问题填空题

选词填空。

go off, run off, by the time, on time

1. _____ I got back to school, the bell had already rung.
2. My alarm clock didn't _____ this morning.
3. I got up late and I had to _____ to the bus stop.
4. She couldn't get to school _____ because she missed the early bus.

答案

1. By the time 2. go off 3. run off 4. on time