___ to prevent sth bad from happening

___ to prevent sth bad from happening 英语单选题,He managed to prevent himself ___.A.discovering B.discovered C.being discovered D.having discovered Forests can help_____ floods and droughts _____.A to prevent ,tooB to prevent ,as wellC prevent ,tooD to prevent ,toohelp 不是do sth /to do sth都可以吗? 1.we must do something to ______the roof falling in.A.prevent B.protect C.defend D.keep 解释说keep .from doing sth.的from不能省略.换言之prevent .from doing sth.的from可以省略了,那stop .from doing sth.和protect .from sth.的from可 prevent 用法能说PREVENT STH FROM DOING STH you must do something to prevent your house ___ A:to be broken into B:from being broken intoc:to break into D:from breaking into Can such a thing____happening again?A be prevent from B to prevent from With more forests being destroyed,humans have to ___ a lot from what they have doneA suffer B base C prevent D stop prevent keep sb/stop/sth from sth doing sth造句 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~ prevent sb to do 还是dodingNothing could prevent the child to risk climbing that tall tree网上这句话很多,但与prevent sb from doing sth矛盾 这是怎么回事 prevent to与 prevent from的区别 We should take some actions to _ people from _ wild animals.A.prevent,kill B.prevent,killing C.preventing,kill D.prevent,to kill The umbrella can ___ you from ___.　　A.protect; be wet B.prevent; being wetC.protect being wet D.prevent be wet这道题选什么,为什么, prevent sb/sth from doing造句 prevent sth. from happening 什么意思? prevent sb do sth 可以用吗 How to prevent Sandstorm