Look at the two _________over there． They are teaching the girls to play the guitar． （ ）
A．women teachersB．woman teachers
C．woman teacher
We ______ the tea set for three years．（ ）
A．have hadB．hadC．have been
The sweater ______ belong to Jim．It's much too large for him．（ ）
A．mustn'tB．can'tC．needn't
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