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: The _________ prices of property in big cities may deter people on low incomes from owning a house there.

A. forbidding

B. competitive

C. prohibitive

D. inflatable

Câu 2: The computer has had an enormous _________ on the way we work.

A. alteration

B. change

C. impression

D. influence

Câu 3: They were 30 minutes late because their car _______ down.

A. got

B. put

C. cut

D. broke

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

A. lapse

B. fault

C. failure

D. error

Câu 6: 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