It's windy__winter in Beijing应该填in还是at

It's windy__winter in Beijing应该填in还是at It came into being ____ 1796.这道题的空应该填 AT 还是 IN It's usually_____________ in April in Beijing What's this in the box ( ) a puppet.)里应该填It's There's 还是This It's cold___winter and hot___summer.填哪一个?in,at,from It's difficult for me——to school at 7:00 in the morning 应该填 in winter ,it's -----(cold) in beijing than in nanjing 是arrive in Beijing 还是arrive at Beijing it's going to（ ） in beijing It's hot____ summer in Beijing How is the weather in beijing?T_______ .It's very hot.填什么? It's ( )our art teacher应该怎么填,是填for,to还是at