______ before we leave the day after tomorrow,we should have a wonderful dinner party.A.Had they arrived B.Would they arriveC.Were they arriving D.Were they to arrive 这里为什么选D 　我觉得A挺合适的啊?为什么

We _____(paint) the house before we ______ (move) in. we should wash our hands before eating同义句we should wash our hands before ______ ______ 关于虚拟语气的虚拟语气中关于跟将来事实相反的,从句用should do或were to do,怎么区分用这两种形式呢?比如：If they were to arrive before we leave,we should have a wonderful dinner.If they should arrive before we lea “以前我们对他很友好”用英语怎么说We _____ very ______ ________ him before. We didn't know the new teacher,so he ______ himself before the class began. We had waited for Jane for an hour before she ______.它的完整句 ______ the house was finished,we had to live in tents.A.Before B.Until 为什么? How shall we go?______.Great.But I didn't go there before._______补句子 初一英语填空题1.We call compact disc ______ for short（简称）.2. I is before ______. 英语改句 改成 被动语态We always raise our national flag before morning exercises.Our national flag ______ always ______ before morning exercises. We must look ______ left,then _____right before we cross the road.1./,/2.at,/3./,at4.at,at 适当词填空一道Before supper we must wash our hands,and ______ it we must brush our teeth. lea是什么意思 It was some time ______ we realized the truth.A.It was some time ______ we realized the truth.A.when B.until C.since D.before Before we went very far,we found that we ______ our way.A:would miss B:had lost C:would loss D:were missed Before we went very far,we found that we ______ our waywould miss B:had lost C:would loss D:were missed 30.I don’t think we have met before.I’m afraid you’re confusing me with ______. we should try to preduct our environment ______ it is too late.A.after B.until C.before D.when