新学期开始了，老师高兴地向全班同学打招呼：“Welcome back to school！Nice to see you again! ”同学们应该说：(　　)

A．Good morning, teacher!

B．Hello!

C．Glad to see you again!

补全对话
A: _________ that man?
B: 那个人是谁（疑问句）

你告诉妈妈这张照片是Peter帮你们拍的，你可以说：(  )

A．Peter took this photo of us.

B．Peter took this photo for us.

如果你想知道班上新来的同学来自哪里，你可以这样问：（  ）

A．Where are you from?

B．Who are you?

补全对话。
A: Good morning. 1._________ can I do for you?

A．I’d 2._________ a blouse.

A: What 3._________ do you want?
B: The blue one.
A: Here you 4.________.
B: It looks very nice. But it’s too 5._________.
A:What 6._________ that 7._________? It’s bigger.
B: 8._________ 9._________ is it?
A: 80 yuan.
B: OK. I’ll take 10._________.