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

A. however

B. but

C. because

D. so

Câu 1: If ________ access to education, children living in poverty will have a brighter future.

A. providing

B. are provided

C. having provided

D. provided

Câu 2: Before becoming successful, Charles Kettering, former vice president of General Motors, was so poor that he has to use the hayloft of a barn as a laboratory.

A. as

B. so poor

C. has to

D. successful

Câu 3: The view is great, _______?

A. isn't it

B. was it

C. doesn't it

D. did it

Câu 4: Human beings are ________ greatest threat to survival of endangered species.

A. Ø

B. an

C. the

D. a

Câu 5: 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 6: If you eat too much, you _________ the price by putting on weight.

A. will pay

B. paid

C. would pay

D. were paying