--- Let’s go to play football, shall we? --- Sorry, I can’t. I must go over the points the teacher explained ______ I forget them.
Supermarkets are supplied with __________ red lucky gifts at the Spring Festival.
I thought my eyes must be playing tricks _______ me.
In the quiet darkness, I could hear someone _______ the door and go upstairs.
Would you mind _______ some questions?
After the party, I found my necklace _____.