Câu hỏi: It’s necessary __________ your listening and writing skills.

A. to improve

B. improve

C. improving

D. improved

Câu 1: I usually watch TV ________ the evening.

A. on

B. at

C. in

D. All are correct

Câu 2: My friend and I _______ your sister tomorrow afternoon after she _______ her work.

A. will meet-will finish

B. will meet-has finished

C. will have met-has finished

D. will have met-will finish

Câu 3: He came up with the solution __________ every problem.

A. in

B. at

C. for

D. to

Câu 4: Gold _______in California in the 19th century.

A. was discovered

B. has been discovered

C. was discover

D. they discovered

Câu 5: My mother told me __________ hard.

A. study

B. studying

C. to study

D. studied

Câu 6: Tom is watching TV now. So ____________.

A. does Mary

B. Mary

C. is Mary

D. Mary does