一、答案
| 1 | 2 | 3 | 4 | 5 |
| D | D | C | D | C |
二、答案
1. have been
2. lost; Have; seen
3. Have; found
4. haven't finished
5. came
三、答案
1. Have you visited
2. Have you ever been to
3. Have you seen
4. Have you tried
5. How long have you studied
四、答案
| 1 | 2 | 3 | 4 | 5 |
| C | D | C | B | C |
| 6 | 7 | 8 | 9 | 10 |
| B | C | A | B | C |