精选优质文档-倾情为你奉上Module 11. lost and found 失物招领 in the lost and found box在失物招领箱 at the lost and found office在失物招领处 2. welcome back to 欢迎回. welcome back to school 欢迎回到学校 welcome to +表示地点的名词 欢迎来某地 welcome home 欢迎回家 You are welcome. 不用谢。 -Thank you! - You are welcome.3. first of all 首先 at first firstly“first of all” 表示“首先”,常常放在句首,通常情况也可以用firstly等替换。e.g.: First of all, let me introduce my friends Mike to you.4. there be 句型