---Look at the glasses on the desk. Are they David’s?---They belong to him. I saw him go out with glasses just now.
---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_________.
---_________ are these science books? --- Uncle Wang’s.