1 . She wasn’t cleaning the room ________ I woke up.

A．by the time

B．while

C．till

D．when

2 . ________ they heard the news, it was too late.

A．When

B．Until

C．By the time

D．While

3 . I overslept this morning. ________ I got into the classroom, the teacher had already begun to teaching.(在……以前)

4 . 等医生到达时，那位老人已经获救了。（汉译英）
_________________________________________

5 . By the t________ I got to school, I realized that left my backpack at home.

7 . 翻译下面的短语。
1. go off ________
2. brush one’s teeth ________
3. wash one’s face ________
4. at least ________
5. by the time ________

8 . B________ the time I got outside, the bus had left.

9 . 英汉互译。
1. 起床________
2. 进入浴室________
3. 走进教室________
4. 到家________
5. 出去，外出________
6. by the time________
7. go off________
8. give...a lift________

10 . 到我起床时为止，我哥哥已经在洗淋浴了。
________ ________ ________ I got up, my brother ________ already ________ in the shower.