根据对话内容，在空白处填入一个适当的句子，使对话完整、正确。
A: Hi, Alice! A nice day, isn't it?
B: Yes. Spring is coming. 1 ?
A: Tomorrow? Tomorrow is not a good day for planting trees!
B: 2 ?
A: I listened to the weather report. It's going to be rainy and windy.
B: 3 ! If it rains, we'll have to stay at home and do some reading.
A: Why not come to my home and surf the Internet?
My father bought different parts of the computer and put them together.
He made our own computer last week.
B: Great! 4 ?
A: My home is near our school. It's a white building. I live on the fourth floor.
B: OK! 5 .
A: See you.
1._________________________
2._________________________
3._________________________
4._________________________
5._________________________
的实根个数是______。
(student / teacher). My father is a _____________ 
(police officer / businessman). My mother is 
(doctor / bus driver). We are a _____________ 
(happy / sad)