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: ...................... known as an industrial center, Hartford was the home of manufacturers of firearms,typewriters, bicycles, and even cars.

A. Although

B. Because

C. Once

D. Owing to

Câu 2: The world wouldn’t be a better place ............... more people respected English teachers.

A. if 

B. unless

C. except

D. when

Câu 3: I soon rose to a position of importance in the firm, ................ I was energetic, popular, andconscientious.

A. thus

B. because

C. so

D. for

Câu 4: The water in this swimming pool ...................... too cold.

A. are feeling

B. feel

C. feels

D. was feeling

Câu 5: Some students are nervous of computers or anything high-tech ................. others enjoy newchallenges and regard learning how to use computers as a kind of game.

A. and

B. but

C. while

D. however

Câu 6: Exercising every day ...................... good for your health.

A. ere

B. he

C. were

D. is