( )1.In Nanjing,the days are long in .
A.winter B.summer C.autumn
( )2.It's . Please open the window.
A.hot B.cool C.cold
( )3.We have with our friends in autumn.
A.picnic B.picnics C.snowmen
( )4.In winter,we can't .
A.pick apples B.play in the snow C.make a
