Water freezes below zero.这句话中freeze为什么要加s,回答必采讷!

Water freezes below zero.这句话中freeze为什么要加s,回答必采讷! When water is cooled below zero degrees Celsius,it freezes（翻译） Water usually freezes when temperature is _____ zero and ice changes into water again when the tempA.below; aboveB.under; overC.above; belowD.below; over Water usually freezes when the temperature is _____ zero and ice changes into water again when thetemperature rises_____zero.为什么是below；above?under和over分别与它们有什么区别 When water freezes, it expands,or gets bigger 是什么意思 Warm water freezes more quickly than cold water句子结构是什么 freeze主动还是用被动?The water is frozen 还是用 the water freezes? it's not____to cross the road when the traffic lights are red.(safety)water freezes .water turns into ice.(合并)_____water freezes,____turns into ice. Water becomes ice when it freezes.The teacher told us.如何改成宾语从句? when water ( ),it turns into ice.a.boils b.cools down c.gets warm d.freezes when water freezes为什么freeze可以加s?水不是不可数的吗? wnen water freezes,it expands,or gets bigger (翻译成中文） 为什么用degrees?Water freezes at 0 degrees Celsius.这句话,degree为何用复数形式? Warm water is freeze faster than cold water,___ ___?(反意疑问句)说明原因 Warm water is freezes faster than cold water,___ ___？(反意疑问句) The boy asked his mother,“Does water freeze at 0℃?” (保持句子原意) The boys asked his mother ________ water ________ at 0℃.if freezes 还是 whether freezes? 零度是zero degree还是zero degrees可是书上写的是Water freezes at zero degrees Centigrade. 英语翻译翻译：when water freezes,itexpands,or gets bigger.if you want to freeze a bottle of water,leave some room for the ice to expand.otherwise'''''''''''''''' Water  at a temperature of zero degrees Celsius.A.having frozenB.freezingC.freezeD.freezes为什么选择第四个?water不是不可数名词吗?