--- ________ my baseball? --- It’s under the chair.
I like our teachers because they can allow us _________what we think.
There used toa clean river in front of my house, but now everything has changed.
---Who is running on the sports field? ---Itbe David, He is ill at home.
Look at the name on the book and it must belong to_________ .
---TomLily is coming. ---Yeah, l am so happy they are free tomorrow.