Câu hỏi: The authority has made a lot of great efforts ________ endangered species.

A. to save

B. to kill

C. to do

D. to store

Câu 1: Up to now, ASEAN has got ten _____________.

A. members

B. agents

C. states

D. enterprises

Câu 2: When did Vietnam _________ the association of Southeast Asian Nations?

A. eject

B. refuse

C. improve

D. join

Câu 3: We have to suffer from traffic congestion and pollution every day.

A. accident

B. fullness

C. mass

D. crowd

Câu 4: __________ is the one that watches a game or match closely with the aim of ensuring that the rules are legally obeyed.

A. goalie

B. defender

C. referee

D. striker

Câu 5: The United Nation Women advocates women __________.

A. impartiality

B. inequality

C. discrimination

D. movement

Câu 6: Nylon is a man-made fibre, the use of which has helped more people to have cheaper and more colourful clothes to wear.

A. natural

B. plastic

C. synthetic

D. artificial