根据情景补全对话
问题描述：
根据情景补全对话
hello,liuhai.(
I visited Li Lei yesterday
(
Because it was his twelfth birthday yesterday.
Did you have a birthday party together?
yes,( ）．
（ ）
there were eighteen students at the party.
Were Li Lei's parents at home?
No,( )
答
What did you do yesterday?
Why did you visit him?
Yes,we did.
How many people were there at the party?
No,they weren't