III:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Trả lời câu hỏi dưới đây:
If you want your son to do better on his exams, I suggest he _____ harder.
Đáp án là D. Cấu trúc gợi ý: S + suggest + S + V (bare - inf)