Câu hỏi: Do you know how many countries __________ part in the sporting event?

A. take

B. make

C. have

D. do

Câu 1: He is one of the most ………. bosses I have ever worked with. He behaves rudely to not only me but also others in the staff.

A. thoughtful

B. impolite

C. attentive

D. communicative

Câu 2: 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 3: _____________ is a detailed description of a person's life.

A. Detective book

B. Comic

C. Biography

D. Cartoon

Câu 4: Deserts often include _________ and rocky surface.

A. oil

B. water

C. sand

D. trees

Câu 5: Reading ___________ an integral role in enhancing knowledge and relaxing.

A. has

B. holds

C. takes

D. plays

Câu 6: Many plants and animal species are now on the _______ of extinction.

A. danger

B. border

C. margin

D. verge