Chương 36. Bài Tập (tr.510)

V.

1. The first time I parachuted from a plane, I was both terrified and exhilarated.
2. My boss stormed into my office while I was talking on the phone to an important client.
3. After Ceylon had been independent for 24 years, its name was changed to Sri Lanka.
4. Since Jack fell off his bicycle, he's had to use crutches to walk.
5. Ms Johnson will return your call as soon as she has some free time.
6. Once John learns how to use a computer, he'll be able to work more efficiently.
7. I won't return this book to the library until I finish my research project.
8. Sue dropped a carton of eggs as she was leaving the store.
9. The next time Ann goes to class, she'll remember to take her grammar book.
10. When the flooding river raced down the valley, it destroyed everything in its path.
11. Just as soon as the rice is done, we can eat.
12. When I go to bed at night, I like to read until I get sleepy.
13. I must get to the post office before it closes.