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

A. lapse

B. fault

C. failure

D. error

Câu 1: I may look half asleep, but I can assure you I am ______ awake.

A. broad

B. well

C. full

D. wide

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

A. potential

B. prospect

C. possibility

D. ability

Câu 5: They were 30 minutes late because their car _______ down.

A. got

B. put

C. cut

D. broke

Câu 6: We all believe that a happy marriage should be _______ mutual love.

A. confided in

B. concerned with

C. based on

D. obliged to