You          drive your car so fast. It’s dangerous.

--   do you spell ring?       --________. 

 -- Are these _______ all from No. 2 Middle School? -- Yes. They often _________ their free time to help the old here.

 --Listen! Marry is singing in the next room. -- It __   ___ be Marry. She has gone home.

---I think Helen is at home.---No, she    be at home, for she phoned me from the airport just five minutes ago.