There is __________backpack on the desk. It belongs to Tom.
We will have a ______ holiday next week. What about going to Hainan?
You _ to the meeting this afternoon if you have something important to do.
This fashion show in our school was so ________ that we heard ________ shouts everywhere.
–What did the old driver say ______ the bus?–He said his bus ______ an old friend and he missed it.
To make our city greener and cleaner, we need ______ trees.