Câu hỏi: The world wouldn’t be a better place ............... more people respected English teachers.

A. if 

B. unless

C. except

D. when

Câu 1: The clothes in those boxes ............. to my sister.

A. belong

B. was belonging

C. is belonging

D. belongs

Câu 2: Exercising every day ...................... good for your health.

A. ere

B. he

C. were

D. is

Câu 3: The articles that John has written .................. difficult to understand.

A. has been

B. was

C. are

D. is

Câu 4: Many people .................. this city every year.

A. visits

B. visit

C. is visiting

D. was visiting

Câu 5: Learning foreign languages .................. important.

A. is

B. are

C. have

D. are having

Câu 6: Chicago ............... city in the Midwest.

A. is an important

B. an important is

C. important is

D. is it important