Câu hỏi: A _____ is a tube through which a person swimming just under the surface of the sea can breathe.

A. maneuver

B. photograph

C. volume

D. snorkel

Câu 1: The world’s biodiversity is declining at an unprecedented rate, which makes wildlife ________.

A. prosperous

B. vulnerable 

C. prefect

D. remained

Câu 2: Many young people in rural areas don't want to spend their lives on the farm like ______ parents.

A. weather-beaten

B. up-to-date

C. long-term

D. wide-range

Câu 3: Daisy has spent the last two weekends _____ hundreds of photographs so that she can put them in separate albums.

A. playing at

B. sorting out

C. cutting off

D. filling up

Câu 4: The climate is not dry at all; in fact, they have ____ of water.

A. a redundancy

B. an abundance

C. a deficiency

D. a mixture

Câu 5: I’m a great believer in the _____ of reading books and taking up a sport, which offer you both knowledge and healthy.

A. benefits

B. exercises

C. practices

D. points

Câu 6: My father is in_______ of 30 engineers and 80 workers.

A. pressure

B. leadership

C. impression

D. charge