Câu hỏi: My cousin tends to look on the bright side in any circumstance.

A. be optimistic

B. be pessimistic

C. be confident

D. be smart

Câu 1: She is a very generous old woman. She has given most of her wealth to a charity organization.

A. mean

B. amicable

C. kind

D. hospitable

Câu 2: There has been no discernible improvement in the noise levels since lorries were banned.

A. insignificant

B. clear

C. obvious

D. thin

Câu 3: Solar energy is not only plentiful but also infinite.

A. without limit

B. boundless

C. limited

D. indefinite

Câu 4: It was apparent from her face that she was really upset.

A. obvious

B. indistinct

C. transparent

D. evident

Câu 5: The dim light made it hard to see, so Ben squinted to make out the stranger’s face in the distance.

A. faint

B. muted

C. weak

D. strong

Câu 6: The distinction between schooling and education implied by this remark is important.

A. explicit

B. implicit

C. obscure

D. odd