So far, MERS(中东呼吸综合症) has become one of ____ illnesses in the world.A. seriousB. more seriousC. the most serious
This kind of ice cream is nice. Could you give me_________?
---Could I use your bike? ---Yes, of course you_________.
---How much do you spend_________ the beautiful jeans?---They _________me 80 yuan.
The shoes are made_________ leather and are suitable _________going for a walk.
If you want to be _________, you should eat_________.