Câu hỏi: Many plants and animal species are now on the _______ of extinction.

A. danger

B. border

C. margin

D. verge

Câu 1: _____________ is a detailed description of a person's life.

A. Detective book

B. Comic

C. Biography

D. Cartoon

Câu 2: A ___________ buffalo is the 22nd South East Asian Games Mascot because Vietnam is an agricultural country.

A. bronze

B. golden

C. silver

D. yellowish

Câu 3: The computer has had an enormous _________ on the way we work.

A. alteration

B. change

C. impression

D. influence

Câu 4: We must start a …………. for illiteracy eradication immediately

A. contest

B. company

C. champion

D. campaign

Câu 5: Billy, come and give me a hand with cooking.

A. help

B. prepared

C. be busy

D. attempt

Câu 6: The SEA GAMES is a ____________ multi-sport event involving participants from the current 11 countries of Southeast Asia.

A. annual

B. biennial

C. triennial

D. quadrennial