Climate change is changes of the Earth 's weather created ..... by heart-trapping gases in the Earth's atmosphere.

A. spectacularly

B. predominantly

C. stunningly

D. controversially

 I don't think you need more time to think about it. It's such a ..... tittle.

A. self- explanatory

B. bad- looking

C. well-lit

D. pitch-dark

 When he went to Egypt, he knew .... no Arabic, but within 6 months he had become extremely fluent.

A. entirely

B. barely

C. scarcely

D. virtually

After the interview , don't neglect the thank-you note or .... letter

A. follow-up

B. turn-up

C. start-up

D. break-up

Nowadays, with so much access to resources of all kinds, children ... know more than teachers on different topics, step ahead of the technology.

A. variably

B. invariably

C. variously

D. variedly

Eager to be able to discuss my work .... in French, I hired a tutor to help polish my language skills.

A. expressively

B. articulately

C. ambiguously

D. understandably

The students' plan for a musical show to raise money for charity received ... support from the school administrators.

A. warm-hearted

B. light- hearted

C. whole- hearted

D. big- hearted

There was a time when human beings worried that all of the earth's surface would be ..... covered with lava were a giant meteor to hit the planet.

A. thickly

B. fully

C. densely

D. totally

President Gorbachev demanded and got more and more personal power, although he was .... able to use it effectively

A. rarely

B. scantly

C. faintly

D. hardly

 So... seemed the news that everyone hold their breath to wait for it.

A. nerve- wracking

B. panic- stricken

C. Hot-tempered

D. easy-going