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

A. was discovered

B. has been discovered

C. was discover

D. they discovered

Câu 1: ___________ she was not well, she still went to work.

A. Because

B. Because of

C. Although

D. In spite of

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

A. in

B. at

C. for

D. to

Câu 3: I usually watch TV ________ the evening.

A. on

B. at

C. in

D. All are correct

Câu 4: At the end of the story, the prince and princess fall _________ love with each other.

A. in

B. on

C. for

D. at

Câu 5: There _______ a flower vase, a jar of jam, and some flour on the table.

A. be

B. is

C. are

D. were

Câu 6: You should learn ________ heart all the new words for revision.

A. by

B. in

C. for

D. of