4b Listen and repeat. 听然后重复
A    A, H, Dale, Grace    Frank, thanks
E    B, C, D, E, G, evening    F, Helen
4d Listen and sing the song. 听然后唱歌曲
Good morning!
Good morning!
How are you?
I'm fine, thanks.
How are you?
I'm OK.
Good morning!
Good morning!
How are you?
I'm fine, thanks.
How are you?
Good afternoon!
How are you?
Good afternoon!
How are you?
I'm fine, thanks.
How are you?
I'm OK.
Good evening!
Good evening!
How are you?
I'm fine, thanks.
How are you?
I'm OK.
Good evening!
Good evening!
How are you?
I'm fine, thanks.
I'm OK.
I'm fine, thanks.
How are you?