Question 12: - I think the main problem in this area is the lack of a good bus service.

- You're right. You've hit the______ on the head.

A. nail                                B. wall                               C. lips                                D. hand

1000 câu khó mục tiều 9+ Tiếng anh ôn Tốt nghiệp THPT Quốc Gia (Lesson 2)