Câu hỏi: The existence of different kinds of animals and plants which make a balanced environment is called........

A. biodiversity

B. rubbish

C. challenge

D. maintain

Câu 1: How many countries took part in the first World Cup?

A. interested

B. participated

C. competed

D. cooperated

Câu 2: You will be able to see the wonders of........: oceans, rivers, mountains.

A. nature  

B. structures

C. buildings

D. constructions

Câu 3: UFOs mean ................flying objects.

A. unknown

B. unidentified

C. unable

D. unimaginary

Câu 4: Temple of Literature is the famous historical and cultural.......in Hanoi.

A. temple

B. remain

C. ground

D. site

Câu 5: Some whales migrate into warm waters to bear their.............

A. young 

B. diets

C. calves

D. young whales

Câu 6: The main.........is played by Nicole Kidman.

A. actress

B. character

C. director

D. film maker