Câu hỏi: Learning foreign languages .................. important.

A. is

B. are

C. have

D. are having

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: 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 3: The clothes in those boxes ............. to my sister.

A. belong

B. was belonging

C. is belonging

D. belongs

Câu 4: 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 5: Many people .................. this city every year.

A. visits

B. visit

C. is visiting

D. was visiting

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

A. if 

B. unless

C. except

D. when