We'd prevent the price of house rising 改为被动语态

We should prevent fire( )(burn)the house. We'd prevent the price of house rising 改为被动语态 we must_____people from cutting down trees A stopB prevent C keepD all the above为什么选D,AB为什么不行 we should take steps to prevent the spread of flu We should take some actions to _ people from _ wild animals.A.prevent,kill B.prevent,killing C.preventing,kill D.prevent,to kill In dealing with public relations,we should make every effort to prevent the __in personality.A.contact B.contract C.connection D.conflict We must wear special boots to prevent us___-in the air.A.float B.to float C.floating D.floated为什么?怎么翻译? The forrests ______a lot of wildlife with food and cover,so we shouldn't cut down treess.A.protect B.prevent C.provide D.prepare Last year Tom____ (win) the first pri 三题初三英语.谢1.The forests can stop the soil ＿ into the rivers.So we must protect the forests.A:going B:go C:goes D:to go2.There was nothing ＿ her ＿ dangers sports.We didn't know what to do.A:prevent;from doing.B:to prevent;to doing C: Our government has taken actions( )the flu from( ).A.to prevent,spread B.prevent,spreading C.preventing,to spread D.to prevent,spreading 说原因了~ 1,How pleased the emperpr was______what the cheats said.a.hearing b.heard c.hear d.to hear2,We should prevent pollution ______happlily.a.from living b.living c.to living d.to live we should prevent the old trees from being cut down 还是being cutting down We should prevent them from cutting down the trees.同义句改写 We should often （change clothes） to prevent the disease.《对括号部分提问》 We must prevent those children from running on the road就相当于同义改写阿。 连词成句：things、can、we、prevent、many、the flu、do、to . We must prevent people from _(pollute) the river.What _ they _(do) at present?