Câu hỏi: 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 1: Once in a while I visit my grandparents on the farm and stay there for some days.

A. Regularly

B. Sometimes

C. Usually

D. Rarely

Câu 2: 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 3: The event, watched by millions of people all over the country, takes place annually.

A. sometimes

B. once every year

C. regularly

D. smoothly

Câu 4: The government is not prepared to tolerate this situation any longer.

A. look down on

B. put up with

C. take away from

D. give onto

Câu 5: All classifications of human societies and cultures are arbitrary.

A. useful

B. haphazard

C. insufficient

D. ambiguous

Câu 6: The shoplifter immediately admitted to her crime to the security guard.

A. Agreed

B. Pleased

C. Denied

D. confessed