补全对话,每空添入一整句话(题目在下,顺便验证1,4,

补全对话,每空添入一整句话(题目在下,顺便验证1,4,
A:What do you want to do today?
B:I don't know.[1]?
A:It's very cold and there is a lot of snow outside.
B:[2]?
A:Oh,no.The ground may be very slippery(滑).
B:A lot of snow?
A:Yes,let's go out to make a snowman.
B:[3].
A:Can I go with my little brother?
C:[4].But put on more clothes and your gloves.
A:[5]?
C:Because it's very cold.
A:Oh,I see.See you.
C:See you.
1.How's the weather outside?
2.
3.
4.Yes,you can.
5.Why?