I. 1.cake 
2.she 
3.face
4.Peter 5.me 6.let
7.bat 8.very 9.bee
10.face
II． 1.A：What's she doing?
B：She's playing football. (√)
2.A：What's he doing?
B：He's writing. (×)
3.A：What's he doing?
B：He's doing morning exercises. (√)
4.A：What's he doing?
B：He's swimming. (√)
5.A：What's she doing?
B：She's dancing. (×)
III． 1. How old is it? (It's four.)
2. How many bikes are there under the tree? (Two.)
3. Excuse me. What's the time? (It's four.)
4. Are they frogs? (Yes, they are.)
IV． A: Hello, 592483.
B: Hello, this is Tom speaking. May I speak to Lily?
A: Hold on, please. Lily, it's for you.
C: This is Lily.
A: This is Tom. How is your mother?
C: Fine, thank you very much. See you.
A: See you.
2.she 3.face 4.Peter
5.me 6.let 7.bat
8.very 9.bee 10.face
II． 1.A：What's she doing?
B：She's playing football. (√)
2.A：What's he doing?
B：He's writing. (×)
3.A：What's he doing?
B：He's doing morning exercises. (√)
4.A：What's he doing?
B：He's swimming. (√)
5.A：What's she doing?
B：She's dancing. (×)
III． 1. How old is it? (It's four.)
2. How many bikes are there under the tree? (Two.)
3. Excuse me. What's the time? (It's four.)
4. Are they frogs? (Yes, they are.)
IV． A: Hello, 592483.
B: Hello, this is Tom speaking. May I speak to Lily?
A: Hold on, please. Lily, it's for you.
C: This is Lily.
A: This is Tom. How is your mother?
C: Fine, thank you very much. See you.
A: See you.
