Câu hỏi: These projects have proved to be very effective in dealing with global climate change, which was considered an insoluble problem in the first 30 years of this century.

A. hard

B. challenging

C. unsolvable

D. unbearable

Câu 1: She's a down-to-earth woman with no pretensions.

A. ambitious

B. creative

C. idealistic

D. practical

Câu 2: There's a real mix of people in Brighton. It has a very cosmopolitan feel to it.

A. busy

B. hectic

C. multi-cultural

D. diversified

Câu 3: You should find out as much as possible about the job and the vacancy.

A. a seat that is available

B. a part of a newspaper where job are advertised

C. a space

D. a job that is available

Câu 4: Professor Berg was very interested in the diversity of cultures all over the world.

A. variety

B. changes

C. conservation

D. number

Câu 5: After several injuries and failures, things have eventually ______ for Todd when he reached the final round of the tournament.

A. looked up

B. gone on

C. taken up

D. turned on

Câu 6: You can’t stop smoking immediately. Just try to …….. a little.

A. go on

B. give up

C. keep

D. delete