Câu hỏi: The first color TV _____________ in 1928.

A. produce

B. is produced

C. was produced

D. produced

Câu 1: It was hot, _________ I turned on the conditioner.

A. however

B. but

C. because

D. so

Câu 2: The students got the librarian_________ books for them.

A. buying

B. to buy

C. buy

D. bought

Câu 3: I and Kenny______ pen pal friends since I_______ Singapore.

A. are/ visit

B. were/ have visited

C. were/ visited

D. have been/ visited

Câu 4: If you eat too much, you _________ the price by putting on weight.

A. will pay

B. paid

C. would pay

D. were paying

Câu 5: _________, 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 6: 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