这是中国人自己修筑的第一条铁路，一定要把它修好。(改为反问句)

The meeting is very important .so we __ be late. 为什么用mustn't .不用can‘t. we consider the meeting very important/ 改为被动语态 怎么改? 关于词组：work out翻译成哪些意思的时候,work out是不及物动词?每个意思请给出一个例句， They reached Beijing__the afternoon of June15A inB on为什么? work out可用作不及物动词词组吗? 同义句转换 They go to Beijing on the train. work out outline 这个词组什么意思 ? They ___ in Beijing when they ____ married.A.live,getB.lived,have gotC.lived,gotD.have lived,get求讲解=w= 汉译英 火车高速行驶 the train was———————— 这样说对吗?：你上火车了吗?Do you get on the train? 汉译英：合作做这项工作更容易、更快些.it's —— and —— to do this jod by —— together. 1.丹尼和詹妮正在上火车.Danny and Jenny _ the train.2.每个人都在等待食物的到来。Everyone （ ）the food （　　　）come。 在动词短语中,out of up you ____to be late for the meeting.It's important.A.should notB.must notC.had better notD.ought not而为什么不是B It’s an important meeting .——（not ,be）late on the night 还是用 in the nightIn the countires people drive ----the night用on还是in “()of June 15th."是at night还是on the night? in Saturday night还是on Saturday night还是at Saturday night at night和on the night of有什么区别?求大虾讲解一下, 单句改错 They both believe in giving their children a love. 是不是a love.有错呀? 同学们,介词是英语学习中一个重要部分,你能用所给的介词填空吗?同学们,介词是英语学习中一个重要部分,你能用所给的介词填空吗?1、(in above under with behind） There is a house______the mountain .The b All the people( ) the meeting were very importantA attending B present C attended D presented要说原因 The quesetions were very easy中的questions为什么要加S 求a drop in the ocean 空间链接 谢谢~ you mustn't drop litter in the park 汉语意思急 ····························剑桥 二级 第七单元 把所有句子意思说出来列 This is a girl .的意思是 （这是一个 女孩）我要的是全部意思 想问问英语大神们一个问题.I‘m glad to see my child well taken care of.为什么是taken care of.不是being taken care 呢?宾语宾补的话被动语态不用加be吗? This is my room .Near the window there is a d------- .I often do my h----- at it .You can s----- some books,a ruler a------ a pen .O------ the wall near the desk there is p----- of a cat.There is c----- above the end of my bed .l usually p----- my fo He can play beasket ball well 的同义句 He --------- play beasket ball well 的同义句 Drop In the Ocean的空间音乐歌曲链接 用所给词的适当形式填空1.Let's go to watch the stamp_____(collect)show tomorrow. she like collect 错那了,怎么改? 英语：give sth.of sb.