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If it ___ for the help of our teacher ,we would not have made so much progress.A were not B has not been C isn't D had not been为什么 Miss Feng is my favorite math teacher ,with help I've made great progress in my studyA whom B whose C that D her,我需要解释为什么不选 A student in my class said to me," If I ____ our math teacher,I ___ make math learning easier ."A.were,would B.am,will,C.was,could的答案. —I'm sorry.I missed the bus.a I hope it won't happen again.b I accept your apologyc You should be very sorry.Never mind.d It could happen to anyone. With the help of our class,Little Mike made such great progress in Chinese that he can write a 200-character ____ .A.compositions B.papers C.essays D.article A:Can you come tomorrow?B:Sorry,I___ ____ Ian't You missed the train.（I’m sorry） 英语语法 to后面动词什么时候加ing 什么时候是原型 I hope you can come to my house tomorrow.can不是不能用于将来时中吗?这个句子该怎么理解 请问在什么情况下在动词后加ing 或s我主要是需要语法,希望大家帮帮,全面点,不要用太高深的语言．另外什么叫一般进行时. 我喜欢所有颜色.翻译 她最喜欢的颜色是红色?（翻译） The student was made ___the text ten times.A.copy B.copying C.to copy D.be copied The school made____a rule to make every student on time.A / B it C this D that老师告诉我们选B 为什么不能选A说明理由 our school made it a rule to make every student on time中为什么要用it 一、1.we students should spend more time on our____(schoolwork).2.stop____(laugh) and listen to me,tim3.the little boy often makes his sister ____(cry).4.holly's brother is ____(funny) than she is.二、A:hey,tony,why do you look so h___ these days As a student ,we should va____ our time. We should make use of our time p___ and don't waste time____里填什么? 我们应该努力工作使我们的生活幸福快乐.We should work hard to make our life _______. The best use must be made of our time to work hard.中文意思 we must make good use of our time we must make our classroom（）A、clean B、 cleaned C、cleaning Dto clean选择哪个?为什么? every minute must be made full use of___our lessons,for the final examination is coming A.going over B.to go over C.go over D.to going over为什么选B而不选A,use of 的用法 观察下列各式及其验证过程：2√2/3=√(2+2/3)在上述等式的验证过程中,用到等式√n^2=n (n大于等于0）,能否得到三次根号下n^3=n ,四次根号下n^4=n (n大于等于0）.,其一般规律可表示成什么样的等 一道数学题（观察下列等式）!9-1=8,16-4=12,25-9=16,36-16=20,……请用关于n的等式表示出你所发现的规律. 观察下列一组等式：……观察下列一组等式：（a+1）（a²-a+1）=a³+1（a+2）（a²-2a+4）=a³+8（a+3）（a²-3a+9）=a²+27从以上等式中,你有和发现?利用你的发现规律,在下面括号中 of all the students in the class,Jack spent___time and made____mistakes in the math's exam.为什么第一个空用least ,第二个空用fewest而不用least呢,few的最高级不也是least吗 Jack spent a lot of time practising sewing 同义句转换_____ ______jack a lot of time ____ _____sewing A number of books ____kepts in the reading-room and ___of the students'time___spent there.A.are,threee-fourth,is B.is,three-fourths,areC.are,three-fourths,is D.is,three-dourth,is 1.Jack was always()lots of time and money in doing the shopping A.spent B,spending c.spend D,to spend 2.______that beautiful!A,isn't B,Doen't C aren't D,Don't 动词后如何加ing 观察下面各数,写出后面的三个数?①-1,2,-4,8,-16＿＿＿＿＿②1,2,3,5,8,13＿＿＿＿＿③1,-3,5,-7,9＿＿＿＿＿④-1,1/3,1/5,-1/7,1/9,1/11,-1/13＿＿＿＿＿