It has snowed for three days running.

It has snowed for three days running. It __________ last night for all the trees are covered with snow now.A.must have snowed B.should have snowedC.may have snowed D.ought to have snowed 我要答案及理由,特别是理由!1.She said that her mother ___ for three years.A.has been dead B.has died C.had been dead D.had died2.It ___ last night,for the ground is covered with snow.A.must snow B.must be snow C.must have snowed D.can snow It snowed __________ (heavy) last night. It snowed a couple of days ago. 用as,since,because(of),for或thanks to填空 1.Miss Gao didn't come to the meeting_____she was ill.2._____you all know,China has hosted the 2008 Olympic Games.3._____everybody makes a mistake,we should give the boy a chance.4.It must have snowed las 按要求,转换句子1.She has kept the book for a week.（对画线部分提问）（后三个词是画线的）2.He came to the school three years ago.(改为现在完成时)3.The train didn'n start.It snowed heavily yesterday.(合并为一句)4.H It snowed yesterday, but it is much ___ today.(snow) It snowed heavily yesterday中snow为什么叫ed? It snowed yesterday ,They played with snow____( happy ) it snowed yesterday evening（改为同义句） they were driving home while it ____heavilyA snowed B had snowed C had been snowed D was snowing能解释下原因么 初三英语题 It is bad for herlth to hurry to move into a house----has new furnture in it.It is bad for herlth to hurry to move into a house----has new furnture in it. A.who B.where C.th If it has snowed last night,it would be very cold today这是参考书上的一句话,我觉得前半句是错的,从句与过去事实相反,不应该用过去完成时么? 几道英语的改变句子【对打“（）”提问】...1.The Amazon is (6,480 kilometres) long.2.It has snowed (four times) since I came here.3.It took David (a week)to finish the model ship. Has it beensnowing for a long time? a subway train starting from rest along a straight track has a uniform acceleration of 1.8m/s2 for the first 20m it travels.a.calculate its speed when it has traveled 10m.b.When it has traveled 20m,will its speed be less than double,double,or more th There is too much snow these days,isn’t there?Yes,it_____________ for a few days.A.was snowingBA.was snowing B.has been snowing C.had been snowing D.snowed