GrammarGrammarUnit5翻译下列句子1）Westayedathomebecauseitrained.2）Hewalkedtothecompanybecausehisbikewasbroken.3)SinceIknowverylittleJapanese,Ican’tcatchwhatyousaid.4)AsMingmingwasnotready,wewentwithouthim.5)SincetheoutbreakoftheEbolainWestAfrica,manypeopleareafraidtotraveltoAfrica.1.MyChineseteacherisveryknowledgeable______shereadslotsofbooks.A.butB.soC.becauseD.although2.______youareunabletoanswer，perhapsweshouldasksomeoneelse.A.BecauseB.BeforeC.SinceD.After3._____wearebothtired,let’sjustgrabatakeaway(叫外卖).A./B.WhenC.BecauseD.AsA.Givingreasonswithbecause1.Because语气最强，表直接原因，回答why的问题。通常放在主句之后，可单独使用。1）Westayedathomebecauseitrained.2）Whydidn’thecome?Becausehewasill.3）MystomachhurtsbecauseIhaveeatentoomanyapples.4）---Whydoyouloveher?---Becausesheiskind.5）IdoitbecauseIlikeit.2.because可引导表语从句等。1)Itisbecauseyou’reeatingtoomuch.2)Haveyoueverwalkedintoaroomandfeltrelaxed?Itcouldbebecausethewallswerepaintedblue.3)ItisbecauseheishonestthatIlikehim.4)Thatisbecauseyoucan’tappreciatemusic.3.becauseof也可表达直接的原因，只不过其后接名词、代词或动名词。1)Hecan’tcomebecauseofhisillness.2)Heisherebecauseofyou.because习惯上不与so连用汉语习惯上说“因为…所以…”，但英语习惯上却不能将so与because连用：因为下雨，所以我们呆在家里。正：Becauseitwasraining,westayedathome./Itwasraining,sowestayedathome.误：Becauseitwasraining,sowestayedathome.because从句与becauseof短语的转换•Because引导的原因状语从句有时可与becauseof短语转换，becauseof后加的原因可以为好或坏。但最正规的还是because。Hecan’tcomebecauseheisill.•/Hecan’tcomebecauseofhisillness.他因病不能来。•Isaidnothingaboutitbecausehiswifewasthere./Isaidnothingaboutitbecauseofhiswife’sbeingthere.因为他妻子在那儿，我对此事只字未提。B.Givingreasonswithsinceandassince侧重主句，意思是“既然；由于；因为”，表示已知的、显然的理由since比as语气稍强，且比as略微正式，它们引导的从句通常放在主句之前，有时也放在主句之后。不表示直接原因。Since可用于省略句，而其他连词不行。（见例2）1.Sinceeveryo...
