17.—Hi, Nancy, I didn't know you had come back. So have you graduated from college? —Yes. I______French for 5 years in Nanjing.
I’ll be back _____ 5 o’clock tomorrow afternoon.
Ahead of me I saw a woman _____ I thought was my aunt.
I’m sure the red team will ______ the game.
The Canadian friends have given us a lot of books, few of _____ a bit difficult for us.
Would you like to _____ us in our discussion?