Câu hỏi: Mounting evidence indicates that acid rain is damaging historic sites in Boston and Philadelphia.

A. Hanging

B. Tentative

C. Increasing

D. Irrefutable

Câu 1: Ralph Nader always speaks out about everything.

A. declares his opinion

B. agrees

C. quarrels

D. has an interest

Câu 2: The new amphitheater was based on the ancient Greek design.

A. underwater theater

B. oval theater

C. sound and light theater 

D. mini-theater

Câu 3: Though many scientific breakthroughs have resulted from mishaps, it has taken brilliant thinkers to recognize their potential.

A. misunderstandings

B. accidents

C. misfortunes

D. incidentals

Câu 4: The activists were accused of contaminating the minds of our young people.

A. providing healthy ideas

B. harming

C. nurturing

D. keeping in the dark

Câu 5: A multitude of people attended the fund-raising presentation in the mall.

A. small number

B. select group

C. huge crowd

D. large herd

Câu 6: The blank space of the paper must be 1.5 inches at the top and 1 inch at the bottom and on the sides.

A. frames

B. borders

C. shutters

D. margins