根据语境，写出适当的答语或问句。

1.—Excuse me,Betty.Could you help me,please?

   — _____.Is this big box?

2.—_____ your watch?

   —I think it is broken.

3.— Thank you very much.

   — _____.

4.—_____?

   —It's a quarter to twelve.

5.— _____ to drink?

   —Yes.I'd like a glass of orange juice.

在窗体中添加一个命令按钮(名为Command1) 和一个文本框(名为text1) ，然后编写如下事件过程：
Private Sub Command1_C1ick( )
Dim x As Integer, y As Integer, z As Integer
x=5:y=7:z=0
Me!Text1=""
Call p1(x,y,z)
Me!Text1=z
End Sub
Sub p1(a As Integer,b As Integer,c As Integer)
C=a+b
End Sub
打开窗体运行后，单击命令按钮，文本框中显示的内容是______