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

A. eject

B. refuse

C. improve

D. join

Câu 1: For environmental safety, we need to find ways to reduce emission of fumes and smoke of factories.

A. leak

B. release

C. poison

D. pollutant

Câu 2: To score a goal, players need to learn how to pass in both__________ and horizontal positions.

A. vertical

B.  strange

C. parallel

D. oval

Câu 3: UNICEF ________ supports and funds for the most disadvantaged children.

A. provides

B. relieves

C. advocates

D. locates

Câu 4: The authority has made a lot of great efforts ________ endangered species.

A. to save

B. to kill

C. to do

D. to store

Câu 5: The advances of commercial airplanes resulted in a shrinking world.

A. decreasing

B. reduced

C. smaller

D. compressing

Câu 6: My mother told me to take out the __________ while she was cooking dinner.

A. doubt

B. rubbish

C. pioneer

D. philosopher