III. Each sentence below contains an error. Find it.
16. Can you tell me what you have done at 8 o’clock last night?
A B C D
17. Jogging is one of the most popular sport in Viet Nam today.
A B C D
18. My father asked me to pay much attention to English next year.
A B C D
19. Although his leg was broken however, he managed to get out of the car.
A B C D
20. The first boy whom knows the truth has just moved.
A B C D