Câu hỏi: Few businesses are flourishing in the present economic climate.

A. growing well

B. setting up

C. closing down

D. taking off

Câu 1: I can't hear what you are saying. Can you................the radio?

A. turn on

B. turn off

C. turn up

Câu 2: UFOs mean ................flying objects.

A. unknown

B. unidentified

C. unable

D. unimaginary

Câu 3: Many people become ..................because of the natural disaster every year.

A. homeland

B. homesick

C. homeless

D. homework

Câu 4: This National Park....over 200 square kilometres of rainforest.

A. contains

B. hold

C. gets 

D. covers

Câu 5: How many countries took part in the first World Cup?

A. interested

B. participated

C. competed

D. cooperated

Câu 6: We should........all the electric appliances when leaving our room.

A. turn of

B. turn on

C. turn up

D. turn off