-Has Tommy finished his homework yet?-I have no idea; he ____ it this morning.
. _____ squeezing your own orange, have you tried buying packs of orange juice?
Theory should be ________with practice.
Ladies and gentlemen, please fasten your seat belt. The plane _____ .
I was told that the singer ____ in 1980.
--How much pepper did you put in the soup?--I'm sorry to say, ____. I forget.