Câu hỏi: This film is for adult only;............., children under 18 cannot be allowed to enter the cinema.

A. otherwise

B. for

C. therefore

D. however

Câu 1: Chicago ............... city in the Midwest.

A. is an important

B. an important is

C. important is

D. is it important

Câu 2: Going to the movies last night .......................... a lot of fun.

A. were

B. was

C. are

D. being

Câu 3: Students studying in the UK can enjoy an excellent educational environment;..................., theirdegrees are worldwide accepted.

A. moreover

B. still 

C. otherwise

D. however

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

A. visits

B. visit

C. is visiting

D. was visiting

Câu 5: After a short time in England, I began to understand ............... the English see Americans asloud and ill-mannered.

A. whether

B. what

C. how

D. why

Câu 6: The world wouldn’t be a better place ............... more people respected English teachers.

A. if 

B. unless

C. except

D. when