—I’d like to play football with you, but I have an important thing to attend to. —If you don’t go, _________.
Mr. Mike doesn’t understand ________ made his wife so upset this morning.
The policeman _______ the facts again and again, but couldn’t piece them together.
-Are there any tickets left? -Sorry. There are ________, if __________.
If I were _________ younger, I would do ___________ I am interested in.
-Haven’t we met each other at ________ party? -Yes, but I can’t remember whether it is _________ Christmas when we were in college.