Hello，is that Molly speaking？
_________．（ ）
| A． |
You're welcome |
B． |
Speaking，please |
| C． |
This way，please |
D． |
Glad to hear that |
The Caspian Sea is ______ than any other salt lake in the world．（ ）
A．deepB．deeperC．deepest
The 31st Olympic Games will be held in Brazil ______ August 5th，2016．（ ）
A．inB．onC．at
There are some ______in the garden．（ ）
A．potatoB．potatoesC．potatos
Could you please take ______notebooks to the teachers' office？（ ）
A．youB．yourC．yours
I often play ______chess after class．（ ）
A．aB．theC．/