作业帮离开教室之前要确保关掉所有的灯.
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/30 00:07:24
汤姆住在离市很远的农场Tomlivesonafarmfarawayfromthedowntown.你清楚我所说的吗AreyouclearwhatIsaid?她主动提出帮我学英语Sheofferesto
Youmustturnoffallthelightsbeforeyouleavetheclassroom.
Turnallthelightsoffbefore.
今天最后一个离开办公室的同事：Towhomleavestheofficeatthelast,为确保放假期间办公室的安全,请在离开之前检查以下事项：Toensurethesecureoftheoffic
Doturnoffallthelightsbeforeleavingtheclassroom!
楼上的也太那个点了吧,直接用翻译工具翻译整句话,牛x.楼主的句子不全,把所有的关掉是关掉什么东西?电器吗?没写宾语啊以下两个仅供参考：Makesurethatturnoffalltheapplianc
1.离开实验室之前,请检查一下以确保所有的灯都关了(makesure)Beforeleavingthelab,pleasemakesurethatalllightsareturnedoff.2.万一发
Makesureallthelightsareturnedoffbeforeyouleave.
Be/Makesuretoturnoffallthelightswhenyouleave!或：Turnoffallthelightsbyallmeanswhenyouleave!
emembertoturnoffallthelightintheclassroomwhenyouleft.
youneedtomakesurethatWindowsanddoorsareclosedwhenyouleaveclass再问：你确定
Infrontofleaving,wehadtoguaranteethewindowsanddoorsalltoclose
ThisMountainalwayscoversnow.Beforeyouleavethechurch,youneedmakesureallthelamphaveclose.Couldrepeatwh
Ensurethatallthelightsareshutoffbeforeyouleavetheclassroom.
Makesureallthelightsareturnedoffwhenyouleavetheclassroom.~~~~回答简明扼要,欢迎追问.(*^__^*)~~~~
一般还是besuretoturnoff或者pleaseturnoff常见些.不过也许可以试试：Surelytoturnoff这个表达.
Youmustturnoffthelightsbeforeleavingtheclassroom.Youallmusthandinyourhomeworktomorrow.Nobodyisplease
Whenyouleavetheclassroom,pleasemakesuretoturnoffthelights.
Makesuretoshutoffmakefeel现在完成时：助动词have/has+动词的过去分词
答案Makesurethatallthelightsareturnedoffbeforeyouleavethelaboratory.