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

A. Ecology

B. Habitat

C. Extinction

D. Biodiversity

Câu 1: Billy, come and give me a hand with cooking.

A. help

B. prepared

C. be busy

D. attempt

Câu 2: Many plants and animal species are now on the _______ of extinction.

A. danger

B. border

C. margin

D. verge

Câu 3: 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 4: Deserts often include _________ and rocky surface.

A. oil

B. water

C. sand

D. trees

Câu 5: The boy waved his hands to his mother, who was standing at the school gate, to ………….. her attention.

A. attract

B. pull

C. follow

D. tempt

Câu 6: Reading ___________ an integral role in enhancing knowledge and relaxing.

A. has

B. holds

C. takes

D. plays