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

A. however

B. but

C. because

D. so

Câu 1: The students got the librarian_________ books for them.

A. buying

B. to buy

C. buy

D. bought

Câu 2: Mark hopes _______ a small part in the school play.

A. to get

B. getting

C. get

D. got

Câu 3: In an essay writing in 1779, Judith Sargeant Murray promoted the cause of women's education.

A. the cause of

B. writing

C. In an essay

D. women's education

Câu 4: I and Kenny______ pen pal friends since I_______ Singapore.

A. are/ visit

B. were/ have visited

C. were/ visited

D. have been/ visited

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