Vòng 2

I: 1,: A 2: B 3: C 4: D 5: Một 6: C 7: B 8: C

9: B 10: B 11: B                 12: C                    13: D                  14: Một              15: D

16: D              17: D               18: B                 19:    B 20: D

II:

1: You had better give up smoking immediately

2:We should get there by 5:00, if there is not to much traffic

3: Do i have to bring my passport

4hat cat must be in the house somewhere

5You do not have to have  an aerial with this  radio

6It's very inconvenient if you are unable to drive

7:Jonathan can not be the thief

8:Norman is bound to be late.

9:All students are to report to the main hall at 9:00

10: You ought to know better!