It's cold___winter and hot___summer.填哪一个?in,at,from

It's cold___winter and hot___summer.填哪一个?in,at,from
It's cold___winter and hot___summer.填哪一个?in,at,from

It's cold___winter and hot___summer.填哪一个?in,at,from
全部用介词in
因为在季节前面,用介词in
此外,在年份,月份前面也是用介词in