Annie， _____ books are all over the place．
Sorry， mum． I'll put them away．（ ）
A．youB．yourC．yoursD．yourself
There are ______ days in March and the ______day is Women's Day．（ ）
A．thirty﹣one，eighthB．thirty﹣first，eighth
C．thirty﹣one，eight
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