Exercise 5.
1. A
2. D
3. A
4. B
5. A
6. B
7. C
8. D
9. B
10. C
11. B
12. A
13. C
14. A
15. B
16. B
Exercise 6.
1. can
2. was able to
3. can't
4. can
5. can't
6. can
7. will be able to
8. was able to
9. couldn't
10. can't
11. couldn't
12. won't be able to
13. couldn't
14. could
15. will you be able to
$\text{~ Chúc bạn học tốt ~}$
$\text{~ Nếu được thì cho mk trả lời hay nhất nha! ~}$
