Câu hỏi: We all believe that a happy marriage should be _______ mutual love.

A. confided in

B. concerned with

C. based on

D. obliged to

Câu 1: They were among the first companies to exploit the ______ of the Internet.

A. potential

B. prospect

C. possibility

D. ability

Câu 2: Her outgoing character contrasts ______ with that of her sister.

A. thoroughly

B. fully

C. sharply

D. coolly

Câu 3: I may look half asleep, but I can assure you I am ______ awake.

A. broad

B. well

C. full

D. wide

Câu 4: When I was a child, I loved to splash through the ______ after rain.

A. pools

B. puddles

C. ponds

D. rivers

Câu 5: Mr. Simpkims is the big ______ in the company as he has just been promoted to the position of Managing Director.

A. bread

B. meat

C. cheese

D. apple

Câu 6: 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