What can be served as the best title for the passage?

A. Different types of optimism.

B. The glass half-full theory.

C. Factors affecting optimism.

D. Home environment and brain activity.

Đáp án
C. Factors affecting optimism.

Câu hỏi thuộc Bài tập:

FRIENDS PLUS 9 - ĐỀ KT THAM KHẢO - UNIT 6 – PRACTICE TEST 2