Câu hỏi: The computer allows us to work fast and _______.

A. efficiently

B. differently

C. variously

D. freshly

Câu 1: _______ is the study of the Earth's physical features and the people, plants, and animals that live in different regions of the world.

A. Science

B. Geography

C. History

D. Technology

Câu 2: You should _______ more attention to what your teacher explains.

A. make

B. get

C. set

D. pay

Câu 3: I put your keys in the drawer _______ they cannot get lost.

A. because

B. let alone

C. instead of

D. so that

Câu 4: It's hard work looking _______ three children all day.

A. after

B. up

C. to

D. through

Câu 5: It is not easy to ________ our beauty when we get older and older.

A. develop

B. maintain

C. gain

D. collect

Câu 6: He was determined to give his family a secure and solid _______.

A. base

B. floor

C. basement

D. ground