Câu hỏi: He made one last futile effort to convince her and left home.

A. favorable

B. difficult

C. ineffectual

D. firm

Câu 1: The systems caused by ingestion of a harmful chemical must be counteracted within minutes in order to avoid permanent damage to the kidneys and other vital organs.

A. alleviated

B. increased

C. distributed

D. summed up

Câu 2: We’ll have to use the restrooms on the next floor because the ones on this floor are not in working condition

A. out of work

B. run out of

C. turn down

D. out of order

Câu 3: The situation seems to be changing minute by minute.

A.  from time to time

B. time after time

C. again and again

D. very rapidly

Câu 4: 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 5: 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 6: The Bali Tiger was declared extinct in 1937 due to hunting and habitat loss.

A. reserve

B. generation

C. natural environment

D. diversity