Câu hỏi: Whenever problems come up, we discuss them frankly and find solutions quickly.

A. happen

B. encounter

C. arrive 

D. clean

Câu 1: Reading ___________ an integral role in enhancing knowledge and relaxing.

A. has

B. holds

C. takes

D. plays

Câu 2: Each nation has many people who voluntarily take care of others.

A. bring along

B. get on with

C. keep up with

D. look after

Câu 3: The SEA GAMES is a ____________ multi-sport event involving participants from the current 11 countries of Southeast Asia.

A. annual

B. biennial

C. triennial

D. quadrennial

Câu 4: Deserts often include _________ and rocky surface.

A. oil

B. water

C. sand

D. trees

Câu 5: With the strong support of their countrymen, the Vietnamese athletes competed in ___________ spirits.

A. big

B. strong

C. high

D. lot

Câu 6: ______- is natural environment in which plant or animals live.

A. Ecology

B. Habitat

C. Extinction

D. Biodiversity