Câu hỏi: The view is great, _______?

A. isn't it

B. was it

C. doesn't it

D. did it

Câu 1: They_________ Ho Chi Minh City last summer.

A. visit

B. will visit

C. have visit

D. visited

Câu 2: Air pollution, together with littering, are causing many problems in our large, industrial cities today.

A. are

B. industrial

C. problems

D. with

Câu 3: The first color TV _____________ in 1928.

A. produce

B. is produced

C. was produced

D. produced

Câu 4: _________, we couldn’t make out the gist of the passage.

A. Due to Romeo’s carefully explanations

B. Though carefully explained by Romeo

C. Carefully as Romeo explained

D. As Romeo carefully explained

Câu 5: Jane never gives her mother a hand in housework _________ she has a lot of free time.

A. although

B. since

C. in spite of

D. because of

Câu 6: Human beings are ________ greatest threat to survival of endangered species.

A. Ø

B. an

C. the

D. a