—Do you know when she____ back?--Sorry, I don’t know. I’ll call you when she ____ back.
—____is he? —He is my friend. A. What B. Where C. Who
-- _____________. -- I felt there was something in my eyes.
I don’t know if Mr. Smith ______. If he _____, I will tell you.
You shouldn’t _____your hope. Everything will be better.
It ____be Tom. He has gone to America.