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

A. has been

B. was

C. are

D. is

Câu 1: The water in this swimming pool ...................... too cold.

A. are feeling

B. feel

C. feels

D. was feeling

Câu 2: ...................... 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 3: The clothes in those boxes ............. to my sister.

A. belong

B. was belonging

C. is belonging

D. belongs

Câu 4: Every morning ...................... coffee with her breaklast.

A. Jane she drink

B. she drink

C. drinks

D. Jane drinks

Câu 5: Students studying in the UK can enjoy an excellent educational environment;..................., theirdegrees are worldwide accepted.

A. moreover

B. still 

C. otherwise

D. however

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

A. ere

B. he

C. were

D. is