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

A. get through

B. turn up

C. walk out

D. wait on

Câu 2: 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 3: We all believe that a happy marriage should be _______ mutual love.

A. confided in

B. concerned with

C. based on

D. obliged to

Câu 4: Scientists warn that many of the world’s great cities are _______ flooding.

A. being

B. at risk

C. in danger of

D. endangered

Câu 5: The computer has had an enormous _________ on the way we work.

A. alteration

B. change

C. impression

D. influence

Câu 6: The operation of the newly constructed plants is likely to lead to _________ environmental consequences.

A. far-reaching

B. far-off

C. far-gone

D. far-flung