答案:Exercise 1
1. B 2. A 3. A 4. C 5. C 6. D 7. C 8. D 9. C 10. B
Exercise 2
1. D (改为:would like)
2. B (改为:go)
3.D (改为:stolen)
4. C (改为:had to)
5. B (改为:was able to)