如果你想知道对方姓什么时,你应该问_____________________________
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.
--- Why don’t you hand in your homework? --- I’m sorry. I _____my homework at home.
Mary is flying to France soon. She will arrive _____ Paris ____ the afternoon of October 9th.