Câu hỏi: They still keep _________ touch though they live far away from each other.

A. on

B. at

C. to

D. in

Câu 1: How long ….. you studied English?

A. has

B. have

C. do

D. did

Câu 2: Let’s go for a walk, _________we?

A. will

B. shall

C. do

D. must

Câu 3: Although he loved his country, …………………… most of his life abroad.

A. but spent

B. but he spent

C. he spent

D. so he spent

Câu 4: My mother always worries ______________ when I don't come home by midnight.

A. about

B. with

C. to

D. at

Câu 5: Nobody liked the film, ……………………?

A. does he

B. doesn't he

C. did they

D. didn't they

Câu 6: People who exercise frequently have greater physical endurance than those who doesn’t.

A. who

B. frequently

C. than

D. doesn’t