Câu hỏi: 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 1: Era suggested that rising wages were one of the primary causes of inflation .................. thegovernment should take action to control wages.

A. so

B. for example

C. therefore

D. because

Câu 2: The water in this swimming pool ...................... too cold.

A. are feeling

B. feel

C. feels

D. was feeling

Câu 3: 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 4: Students studying in the UK can enjoy an excellent educational environment;..................., theirdegrees are worldwide accepted.

A. moreover

B. still 

C. otherwise

D. however

Câu 5: 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 6: The articles that John has written .................. difficult to understand.

A. has been

B. was

C. are

D. is