VII:
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Trả lời câu hỏi dưới đây:
We had better to review this chapter carefully because we will have some questions on it on our test tomorrow.
Đáp án là A. to review => review, vì, had better + V = should + V : nên làm cái gì