Câu hỏi: We watched as the plane disappeared behind the clouds.

A. melted

B. escaped

C. vanished 

D. perished

Câu 1: The museum dismissed the curator after some of the oldest paintings were damaged.

A. artist

B. cleaner

C. guard

D. director

Câu 2: In the 1776 pamphlet "Common Sense," Thomas Paine defended the cause of the American Revolution.

A. fought

B. championed

C. exposed

D. believed

Câu 3: The raccoon is a nocturnal animal.

A. harmless

B. night

C. marsupial

D. diurnal

Câu 4: His new yatch is certainly an ostentatious display of his wealth.

A. beautiful

B. showy

C. large

D. expensive

Câu 5: He was fired because of his misconduct at the office party.

A. mistake

B. impropriety

C. condition

D. singing

Câu 6: Now I understand why you moved out of that house.

A. I am surprised

B. it frustrates me

C. I am intrigued

D. it makes sense to me