—I’m sorry. I ________ at you the other day.— Forget it. I was a bit out of control myself. 

What              you do if you won in the lottery?

--The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?--________ my students have a try?

---Did you ask Sophia for help? ----I ______ need to- I managed perfectly well on my own.

I hope you __________ to my birthday party.