1. (2021三上·奉化期末) 选择合适的句子补全对话，只填序号。

A. You're welcome. B. Great! C. Can I have some water, too? D. Sure, here you are.

Sarah: Let's have a picnic(野餐).

Chen Jie:

Sarah: Have some bread.

Chen Jie: Thanks.

Sarah:

Chen Jie: Thank you.

Sarah: