Unit 9 SeasonsspringautumnwintersummerHow many seasons are there in a year?There are four seasons in a year.Its spring! Its spring!Its fall! Its fall!Its summer! Its summer!Its winter! Its winter!have a picnicplant the treesplay footballWe can _ in spring .We can _in summer. swim in the seadive in the waterSleep on the beachride a bicyclefly the kitetake a walkWe can _ in fall. climb hillsWe can _ in winter. ski on the snowskate on the icehave a barbecuemake a snowmanLets do exercises. 用所给词的适当形式完成句子： 1.There are four _ ( season ) in a year. 2.In autumn, _( leaf ) fall down. 3.Is this _ ( a ) ice- cream? 4. Where is my _ ( kite )? Its on the roof. 5._( she ) is a doctor. _( she ) name is Betty.anseasonsleaveskite SheHer