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

A. thoroughly

B. fully

C. sharply

D. coolly

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

A. potential

B. prospect

C. possibility

D. ability

Câu 2: Scientists warn that many of the world’s great cities are _______ flooding.

A. being

B. at risk

C. in danger of

D. endangered

Câu 3: After a momentary _________ of concentration, Simon managed to regain his focus and completed the test.

A. lapse

B. fault

C. failure

D. error

Câu 4: We arranged to meet at the station, but she didn’t _______.

A. get through

B. turn up

C. walk out

D. wait on

Câu 5: I may look half asleep, but I can assure you I am ______ awake.

A. broad

B. well

C. full

D. wide

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