he has fallen asleep.这是什么结构.

he has fallen asleep.这是什么结构. He has fallen asleep.这是系表结构吗? He has ( )for two hours.a.gone to sleep b.got to sleep c.been asleep d.fallen asleep. The baby___for three hours.a.fell asleep b.has fallen asleep c.has got to sleep d.has been asleep 英语单选 the pilot was so tired that he for twelve hoursA has fallen asleep B has gone to bed C has been asleep D has gone to sleep You'd better wake him up at once.He( )for eleven hours already.A..has been asleep B.has fallen asleep C.has gone to bad D.has gone to sleep.为什么别的不对?我看那个都对啊 The old man needs at most five hours' sleep a night,but he ______ for over seven hours tonight.A.has fallen asleep B.has slept C.has gone to bed D.has gone to sleep Would you please (not make)any noise?The baby has just fallen asleep had fallen asleep为什么不对? He did not arrive until the meeting was nearly over,for the simple reason is that he ____asleepHe did not arrive until the meeting was nearly over,for the simple reason is that he _____ asleep while watching television.a.had fallen b.has fallen c.fel The child has fallen asleep为什么用asleep,不用sleepysleepy可以用来修饰动词吗？feel是动词，为什么可以fael sleepy The boy has just fallen asleep. fall asleep是短暂性短语,是不能用于现在完成时的,但这道题目怎么解释 The old man needs at most five hour's sleep a night,but he ＿ for over seven hours tonight.A.has fallen asleep B.has slept C.has gone to bed D.has gone to sleep请详细说明选哪个,以及相应的语法知识.二楼的麻烦注意点，不是来 it seems that he has fallen in love with the small town解释此句中为什么用has fallen when he came home,I___for three hours.a.have fallen asleep b.had fallenasleep c.had been asleep d.have slept He had fallen asleep ____11 o’clock last night.A.at B.about c.by d.since He had ---- early and had slept badly答案给的是gone to bed,为什么不可以是fallen asleep 请帮我看看以下句子有什么语法错误1.I have become a teacher for nine years.2.He has gone to Shanghai for five minutes.3.He has fallen asleep for two hours.4.They have borrowed it for a week.5.I have bought a pen for two hours.