Câu hỏi: Gold _______in California in the 19th century.

A. was discovered

B. has been discovered

C. was discover

D. they discovered

Câu 1: If I __________a lot of money now, I ______________a new car.

A. have /will buy

B. have / would buy

C. had/ will buy

D. had/ would buy

Câu 2: He came up with the solution __________ every problem.

A. in

B. at

C. for

D. to

Câu 3: In the USA students ________ school uniform.

A. wore

B. wearing

C. don't wear

D. not wear

Câu 4: Tom is watching TV now. So ____________.

A. does Mary

B. Mary

C. is Mary

D. Mary does

Câu 5: My mother told me __________ hard.

A. study

B. studying

C. to study

D. studied

Câu 6: ___________ does Minh do after school? He plays soccer with his friends.

A. When

B. Which

C. What

D. Why