Câu hỏi: 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 1: Those companies were closed due to some seriously financial problems.

A. taken off

B. put away

C. gone over

D. wiped out

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: Sports and festivals form an integral part of every human society.

A. delighted

B. exciting

C. informative

D. essential

Câu 4: The education system is a mirror that reflects the culture.

A. points

B. explains

C. shows

D. gets

Câu 5: It is an occasion when strength and sports are tested, friendship and solidarity was built and deepened.

A. practice

B. power

C. will

D. competence

Câu 6: It is really incredible that he is unaware of such basic facts.

A. difficult

B. unbelievable

C. imaginable

D. disappointed