情景交际。选择恰当的句子补全对话, 将序号写在横线上。

Amy:Come on, Lingling. We’re going to go to the supermarket.
Lingling:（1）__________.
Amy:（2）                  .
Lingling:Yes, it is. There are many biscuits over there.
Amy:（3）____________
Ms Smart:Please help me put the bag in the car.
Lingling:This bag is so big! （4）             .
Sam:（5）_________
Ms Smart:You are helpful children. Have some sweets.
Amy. Sam, Lingling:Thank you.