That's a good idea!等应答表达 — 英语词汇题
题目
周末,Lily 想约 Sam 一起打扫公园(clean the park)。她说:“Let’s clean the park together this Sunday.” Sam 认为这是个好主意,并愿意同去。请选出最合适的应答:A. Sorry, I don’t know. B. That’s a good idea! Let’s go. C. No, it isn’t. D. Good morning!