---Where is Tom? ---I’m not sure. He _________ football on the playground.
It’s very kind ______ you to help me ______ math project.
--My grandma is ill in hospital. ---_____________
.—You should ______ more water when you have a fever.
---What’s the matter ______ you? ---I have a toothache.
--- How many students are there in the school? ---There are about ______.