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

A. being

B. at risk

C. in danger of

D. endangered

Câu 2: Jim didn't break the vase on ______, but he was still punished for his carelessness.

A. occasion

B. chance

C. intention

D. purpose

Câu 3: Thanks to her father's encouragement, she has made great ______ in her study.

A. standard

B. development

C. contribution

D. progress

Câu 4: 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

Câu 5: She is so ______ to her children that she has decided to quit her job to stay at home and look after them.

A. persistent

B. kind

C. responsible

D. devoted

Câu 6: When I was a child, I loved to splash through the ______ after rain.

A. pools

B. puddles

C. ponds

D. rivers