before现在完成时

相关推荐

• 亲们快来~几道时态填空题/这一课的题目是现在完成时.1时态填空：1）There____________(be)great changes in Shanghai during the past decade.Shanghai _________________(become)more and more beartiful .2)The German engineer ___________________(collect)a lot of Chinese stamps since he came to China,for he _________________(appreciate)Chinese history and culture2用have/has been (to) ,have/has been in ,have/has gone to 填空Where is Sara?She_____1_____Australia.Sounds great.___2_she ________2____
• SAT作文题 不知道能用什么例子.5.Do people make the greatest discoveries by exploring what is unfamiliar to them or by paying close attention to what seems familiar?6.Is it better for people to know everything they can about something before taking action,or should they act first and get more information later?\1101.3 Do people put too much importance on getting every detail right on a project or task?1101.1 Is an idealistic approach less valuable than a practical
• 1.the carzy dog _____(bite)two boys the day before yesterday 2.we would like to go_____(野营)this weekend3.my father made me_____(set)my pet bird free4.the teacher told us the sun____(move)around the moon
• Why didn"t you give the wallet to the man at once?He ____ before l realized it was his.A.had been disappearedB.has disappearedC.had disappearedD.has been disappeared我选D 这两个有什么区别?
• 时间状语从句 I had been looking for this kind of herb for two months ___ I found it at last.选before,为什么不是when呢?
• 帮忙翻译,要人工翻哦,谢谢In our experience, three steps are essential for ensuring that Chinese companies succeed at M&A. They all force the acquirer to prepare for the task long before the deal is done and to move quickly and decisively thereafter to take advantage of the brief window of time when employees of acquired companies expect change. Lenovo started planning systematically to integrate IBM’s PC
• 高中英语一题单选Linda,can you manage it without help？It seems no easy.-_____I have done such a task before.A.With pleasure.B.Take care.C.Don't worry.D.Why not？应该选哪个呢？为什么呢＠_＠
• 用所给单词的正确形式完成短文too,each,think,sell,buy,feel,eat,pass,give,pay Jack and Bill are both seven years old.One day they went out to( )pies together.Before they went out,Jack's mother told Jack,"You take twelve pies,and sell them for five cents ( ).You mustn't eat them,and you mustn't ( ) any of them to othera." Bill's mother told Bill the same words.They went to town together.But after a whole morning,Bill sold only one pie.Bill ( )very hungry,but
• 一道高考英语单选题,The doctor said that it would be 2 months before he ------A.has recoverd B.had recoverd C.recoverd D.was recoverd选哪一个,为什么?
• 请专业人士帮我翻译哈·后天中午前需要If you visit a Chinese family you should knock at the door first . When the door opens , you'll not move before the host says , “ Come in , please .” After you enter the room , you wouldn't sit down until the host asks you to take a seat . when a cup of tea is put on a tea-table before you or passed to your hand , you'll say “ Thank you , ” and receive it with your two hands , not one hand , or they'll think you are ill-mannered . B
• 向量为什么不能比大小
• 录音机在把声音信号变成磁信号的过程中,要先把声信号变化成什么信号?