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

A. broad

B. well

C. full

D. wide

Câu 2: 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 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: When I was a child, I loved to splash through the ______ after rain.

A. pools

B. puddles

C. ponds

D. rivers

Câu 5: Scientists warn that many of the world’s great cities are _______ flooding.

A. being

B. at risk

C. in danger of

D. endangered

Câu 6: 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