Câu hỏi: When I saw Minh, I stopped and smiled, but he _____ me and walked on.

A. refused

B. omitted

C. ignored

Câu 1: At the _______ level, you can join three-year or four-year colleges.

A. primary

B. secondary

C. postgraduate

D. undergraduate

Câu 2: If people stop using ________ for fishing, a lot of sea creatures will be preserved.

A. pesticides

B. dynamite

C. garbage

D. resources

Câu 3: We read newspapers and magazines which have been produced on computers.

A. born

B. shaped

C. begun

D. manufactured

Câu 4: Pedestrians are supposed to walk on the.................

A. road

B. side

C. pavement

D. street

Câu 5: ________ it was raining heavily, they went to work.

A. Though

B. In spite of

C. Because of

D. Because

Câu 6: The United States has a ............. of around 250 million.

A. seperation

B. population

C. addition

D. introduction