Flowers need A.watering B.be watered请解释请解释清楚如果是A,那么如何来辨别need在句中是情态动词还是实意动词(在后面不知道有无加to的情况下)有什么方法吗

The flowers _______ A.need to water B.are needed to water C.are needed wateringD.need watering （ ） need water and sun.A,flowers B,Chair C,Trees These flowers ___.Let's get some water .A.need to watered B.need watering C.have need watered D.are watering ,为什么? the flowers need some water什么时候SOME可以改用MUCH? This kind of flowers need _____every day.A.watering B.to water C.water D.watered书上的答案是A,为什么? Do you need any water to water the flowers?改错Do you need any water to water the flowers?有没有错误,有, She said to me,The flowers in the garden need --- every day.A.to water B.watering C.be waterend D.water为什么? They need to water flowers.（改成同义句） The flowers need ___ ___ ___ ___ ___. we need to water the flowers every day(改为否定句）3种we______ ______ _______ water the flowers every day.we______ ______ water the flowers every.we______ ______ _______ water the flowers every day. those flowers need watering twice a week.改为同义句,those flowers need()()()twice a week. water the flowers还是 water flowers The flowers dont————water.用need的正确形式填空 your monther need't water the flowers every day 哪里有错? you don't need water the flowers every day单句改错 i need____(take) good care of the flowers,but i need't_____(water) them every day It hasn’t rained for days and these flowers need ______ (water) flowers need water,too.they can't live if we don't w__ them need a drink of water解释