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

A. reserve

B. generation

C. natural environment

D. diversity

Câu 1: The repeated commercials on TV distract many viewers from watching their favorite programmes.

A. advertisements

B. contests

C. economics

D. businesses

Câu 2: The collapse of the stock market in 1929 signaled the beginning of the Depression.

A. debt

B. rebirth

C. rise

D. failure

Câu 3: 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 4: 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 5: The twins look so much alike that no one can tell them apart.

A. distinguish between them

B. point out with them

C. spoil them

D. pick them out

Câu 6: 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