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

A. broad

B. well

C. full

D. wide

Câu 1: Mary is very_______ and caring. - I think she would make a good nurse.

A. mischievous

B. effect

C. efficient

D. disobedient

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

A. pools

B. puddles

C. ponds

D. rivers

Câu 3: 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 4: 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 5: Jim didn't break the vase on ______, but he was still punished for his carelessness.

A. occasion

B. chance

C. intention

D. purpose

Câu 6: Scientists warn that many of the world’s great cities are _______ flooding.

A. being

B. at risk

C. in danger of

D. endangered