Have you made sure/certain that the train has already left?这个句子可以说had already left还有可以是另一种Had you made sure/certain that the train has already left?

——Do you know her well ——Sure .We ___friends since ten years ago .A.were B.have made C.have been D.have become ,为什么? .Do you know him well?Sure,we___friends since ten years ago.A..were B.have C.have become D.have made选B为什么?是不是答案错了 please make sure you have made a note of the products you wish to order I`m leaving now.( )you turn off the lights.A To make sure B Make sure C Made sure D Making sure I`m leaving now.( )you turn off the lights.A To make sure B Make sure C Made sure D Making sure Do you know him well? -Sure.We()friends since ten years ago. A.were B.have been C.have become D.haveDo you know him well?-Sure.We()friends since ten years ago.A.were B.have been C.have become D.have made 顺便讲讲完成时的一些知识, ——Do you know him well ?——Sure .We ___friends since ten years ago.A.were B. have been C.have become D.have made 答案是B ,为什么?求解释. make“跟某人做朋友”是延续性动词吗?-Do you know him well?-Sure.We()friends since ten years ago.A.were B.have been C.have become D.have made I only come to ____ that everything is ready.A.become certain B.have made sure C.making sure D.make sure you are sure have fan Have you made sure/certain that the train has already left?这个句子可以说had already left还有可以是另一种Had you made sure/certain that the train has already left? They should have made sure it got back to me. 几道有关动词时态的英语单选Do you know her well?Sure.We ---- friebds since ten years ago.A were B have made C have been D have becomeEveryone --- I come from Sichuan.Actually,I come from Shandong.A find B think C finds D thinksUsually com When I was lonly I made sure I love you I'm sure ___some Chinese food A.like B.to C.have D.you likewhy I'm sure ___some Chinese food.A.like B.to C.have D.you like为什么? Make sure you have a strong _________ ladder.A.firmB.broken C.bentD.thin Make sure you have a strong _________ ladder.A.firmB.broken C.bentD.thin