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: I can't hear what you are saying. Can you................the radio?

A. turn on

B. turn off

C. turn up

Câu 3: The 'ao dai' is the...............dress of Vietnamese women.

A. beautiful

B. traditional

C. casual

D. baggy

Câu 4: Yesterday a hurricane hit the................of Vung Tau City.

A. coaster

B. coast

C. coasting

D. coastal

Câu 5: A country which exports a lot of rice is called a(n)........country.

A. rice-export 

B. exporting-rice

C. export-rice

D. rice-exporting

Câu 6: Many people become ..................because of the natural disaster every year.

A. homeland

B. homesick

C. homeless

D. homework