情景交际。选择答案的序号填写在空格处。(每题2分，共10分)
Lily：Hi, Tom, ________________________.
Tom: I hurt my knees and.
Lily: What did you do yesterday?
Tom: ________________________.
Lily: Did you fall?
Tom: .
Lily: .
Tom: Yes ,I did.
Always wash your hands you eat and you go to the toilet.
A.before/after B.after/before
You had fish breakfast yesterday.
A.to B.for C.of
What did you do yesterday? I ___________.
A. watch TV B. play football C. stayed at home
The key was your bag.
A.to B.in C.on