Câu hỏi: In the Us, the first stage of compulsory education_______as elementary education.

A. to be generally known

B. is generally known

C. generally known

D. is generally knowing

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: There _______ a flower vase, a jar of jam, and some flour on the table.

A. be

B. is

C. are

D. were

Câu 3: Gold _______in California in the 19th century.

A. was discovered

B. has been discovered

C. was discover

D. they discovered

Câu 4: He came up with the solution __________ every problem.

A. in

B. at

C. for

D. to

Câu 5: You should learn ________ heart all the new words for revision.

A. by

B. in

C. for

D. of

Câu 6: What should you consider before _________ for an exercise class?

A. sign up

B. to sign up

C. signing up

D. will sign up