Câu hỏi: All classifications of human societies and cultures are arbitrary.

A. useful

B. haphazard

C. insufficient

D. ambiguous

Câu 1: I’m becoming increasingly absent-minded. Last week, I locked myself out of my house twice.

A. being considerate of things

B. remembering to do right things

C. forgetful of one’s past

D. often forgetting things

Câu 2: The Bali Tiger was declared extinct in 1937 due to hunting and habitat loss.

A. reserve

B. generation

C. natural environment

D. diversity

Câu 3: With respect to maneuverability, few birds can equal the capabilities of the hummingbird, which hovers for long periods and even flies backward.

A. With regard to

B. With fondness to

C. In appreciation of 

D. In favor of

Câu 4: Perhaps more than anything else, it was onerous taxes that led to 'the Peasants' Revolt in England in 1381.

A. multiple

B. unjust

C. burdensome

D. infamous

Câu 5: It was inevitable that the smaller company should merge with the larger one.

A. vital

B. unnecessary

C. urgent

D. unavoidable

Câu 6: The real meaning of the poem was obscured by the pretentious language in which it was written.

A.  exposed

B. apparent

C. hidden

D. shown