(1)It’s cola in winter there(用cold提问） (2)I like collecting stamps and singing(改为否定句）
(3)David and mike are going to planting trees this afternoon(用planting trees 提问）
（4）Iom isolder than mike(改为否定句）
（5）I like playing football(改为第三人称单数he)
(6) Iget up at six thirty every day(用yesterday morning every day)