Câu hỏi: A recent government report has warnedthat ...................... we act immediately to reduce pollution, there will be serious consequences, for the planet.

A. provided that 

B. in case

C. unless

Câu 1: ………… people live in the countrysidethan 100 years ago.

A. Less

B. Few

C. Fewer

Câu 2: Doctors have ….........us to cut downon salt in our diets if we want to reduce the risk of getting heart disease.

A. insisted 

B. suggested

C. advised

Câu 3: What will you do if ................

A. you don’t get a good IELTS score?

B. you didn’t get a good IELTS score?

C. you won’t get a good IELTS score?

Câu 4: The charity is trying to find ways tosave and ............ the world’sendangered animal species. 

A. the charity is trying to find ways to protect

B. to find ways to protect

C. protect

Câu 5: There were millions of people aroundthe world ............. the football match live on television.

A. watched

B. watching

C. were watching

Câu 6: You should visit Bath. It’s ............ city.

A. a historical and interesting 

B. a historical interesting

C. an interesting historical