单项选择题
There are（）months in a year.（）month is December.
A.twelve；The twelfth B.twelfth；Twelve C.the twelve；Twelfth
单项选择题 Why（）go swimming there?
单项选择题 Sally's parents（）come and stay with her soon
单项选择题 （）she goes to a bar in the evening with her colleagues
