In summer milk will quickly go bad_____ it is put into a fridge.
Do you know _____?
There is _____ knocking at the door. Go and see who it is.
—What was your hometown like five years ago?—It _____ very old and dirty.
I won’t take part in the party _____ Joe invites me..
—Will you go to Jane’s birthday party this evening, Rick?—If Michael won’t, _____.