情景交际。选择恰当的句子补全对话, 只填序号。（每题2分，共10分）

Daming：Come on, Sam.We are going to go to the supermarket.
Sam:               
Daming：           
Sam:Yes, it is.There are many sweets and fruits over there.
They sell different things.
Daming：____________________
Sam:Ok.Let’s go and find them.
Daming：These toys are heavy.             
Sam: Let me help you.
Daming:              Thank you.