Câu hỏi: No vehicle weighing over 3.5 tons is allowed on this bridge, according to traffic signs placed at both ends of the structure.

A. corruption

B. construction

C. connection

D. confusion

Câu 1: 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 2: 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 3: Nobody knows the origin of the Vietnamese long dress. There was no evidence about where and when it appeared.

A. evaluation

B. book

C. proof

D. symptom

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

A. disgusted

B. puzzled

C. angry

D. upset

Câu 5: The education system is a mirror that reflects the culture.

A. points

B. explains

C. shows

D. gets

Câu 6: John stayed at home from work yesterday because he was feeling under the weather.

A. well

B. sick

C. happy

D. fine