Câu hỏi: The yearly growth of the gross national product is often used as an indicator of a nation's economy.

A. annual

B. irrefutable

C. tentative

D. routine

Câu 1: It’s a really difficult matter to decide how to solve now. I will need time to think it twice.

A. to think it over

B. to make it better

C. to make up for it

D. to think out of time

Câu 2: John stayed at home from work yesterday because he was feeling under the weather.

A. well

B. sick

C. happy

D. fine

Câu 3: The cultural and historical sites in Kyoto have been given appropriate care and maintenance.

A. preservation

B. revival

C. recovery

D. recognition

Câu 4: The shop assistant was totally bewildered by the customer’s behavior.

A. disgusted

B. puzzled

C. angry

D. upset

Câu 5: Don't be concerned about your mother's illness; she'll recover soon.

A. surprised at

B. worried about 

C. embarrassed at

D. angry with

Câu 6: As tourism is more developed, people worry about the damage to the flora and fauna of the island.

A. fruits and vegetables

B. flowers and trees

C. plants and animals

D. mountains and forest