选择合适的单词补全对话。
come，bad，weather，back，cool |
A：Hey, Dad! Are you outside?
B：Yes, I am．
A：What's the____like outside?
B：It's____．
A：What are you doing?
B：I'm playing soccer with your dog．
A：That's not____．
B：Sure! Well, it's time for you to call your grandma．
A：Yes．I'm calling Grandma____．But Grandma also wants to speak to you．
B：I see．I'm____right now．
中，分式的个数是（ ）．