Câu hỏi: Thanks to her father's encouragement, she has made great ______ in her study.

A. standard

B. development

C. contribution

D. progress

Câu 1: I am not used to the cold weather here, so I need to have a heating system ______.

A. installed

B. serviced

C. developed

D. repaired

Câu 2: My uncle was _______ ill last summer; however, fortunately, he is now making a slow but steady recovery.

A. seriously

B. deeply

C. fatally

D. critically

Câu 3: The computer has had an enormous _________ on the way we work.

A. alteration

B. change

C. impression

D. influence

Câu 4: She is so ______ to her children that she has decided to quit her job to stay at home and look after them.

A. persistent

B. kind

C. responsible

D. devoted

Câu 5: They were among the first companies to exploit the ______ of the Internet.

A. potential

B. prospect

C. possibility

D. ability

Câu 6: They were 30 minutes late because their car _______ down.

A. got

B. put

C. cut

D. broke