Câu hỏi: We'd better speed up if we want to get there in time.

A. slow down

B. turn down

C. put down

D. lie down

Câu 1: We are very grateful to Professor Humble for his generosity in donating this wonderful painting to the museum.

A. meanness

B. sympathy

C. gratitude

D. churlishness

Câu 2: He is among wealthy members of the golf club.

A. adroit

B. affluent

C. adjacent

D. poor

Câu 3: My first impression of her was her impassive face.

A. emotional

B. respectful

C. solid

D. fractious

Câu 4: She wrote me a vicious letter.

A. helpful

B. gently

C. dangerous

D. healthy

Câu 5: Solar energy is not only plentiful but also infinite.

A. without limit

B. boundless

C. limited

D. indefinite

Câu 6: 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