He met many problems ______ he was going over his lessons.
Don’t let ____ in. I’m too busy to see ____.
My father doesn’t have much money. I don’t have, ____.
What ____ sad news! We can’t get the movie tickets.
—John isn’t happy today. Let’s go and ____. —Good idea.
—Where did you go last night?-I _______to go to Lily’s birthday party.