III. ERROR RECOGNITION (0.75 point / 0.25 each)
Choose the underlined word/ phrase (A, B, C or D) that needs correcting.
14. If you want to get good grades, you had to study hard.
A B C D
15. You have read this article on the website, don't you?
A B C D
16. I would suggest that your drivers should clearing up all the trash on the ground before leaving.
A B C D