1.it ____ 5 years since we knew each other.A is B had been C will be D was2.she _____ sad since you went away.A has been B is C was D had been3.i ____ him for two months.A got to know B have got to know C have know D knew为什么？

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句型转换：1.Si Yu taught herself English when she was five years old Si Yu ____ English ___ when 1. ⑴ It is 2 years ____ I graduated from the middle school. 不变原意改写句子?1.he became a doctor 5 years ago.(1) he ____ _____a doctor____5years.(2) it ____five years ____he became adoctor.(3) it____ ____ five years ____be became adoctor.2.his grandfather died ten years ago.(1)his grandfather____ ___ It is ten years since he ____(join) the army It is 3 years since I smoked.意思?语法好的看看我在知道上看到的,关于since 用法别人提供的一个回答.eg.It is 5 years since I have lived here.(live为延续性v.故直译为自从我住在这儿已经5年了.) It is 5 years si 1 Who was the last one _____ ( leave) school yesterday.2 --- How long ___ you ____ ( collect ) stamps ----- Since two years ago.3 He _____ ( watch) it for the whole light and his still watching it now,4 They _____ ( buy 用替换词) the big house si It is seven years since they ____.1.were away 2.left 3.leave 4.were leaving My brother ___(join) the army when he ___ (be) 20 and he ____(be) in it for 5 years His grandma has been dead for 5years等于his grangma ____ ____ ____ ____ It ___(was)are small town several years ago.Now it ____(become)a large city. 1.一百年后,人们将住在月球上.____ one ____ years,people ____ ____ on the moon.2.如果你去到那座美丽的城市,你就会爱上它.If you go to that beautiful city,you will ____ ____ ____ ____ it.3.我甚至可能会养一只小狗.I He hiccupped for 69 years and 5months 提问 for 69 years and 5months____ ____ ____ he ____? 用单词所给适当形式填空.现在就要.紧急.1.Please let him ____(take)it to your friend.2.He onlu ____(watch)games on TV.3.It's my brother's ____birthday.(twenty-two)4.This is ____(they)school5.Let'slearn the ____lesson(nine)6.There are si It is three years since he died.(同义句） He has ____ _____ for three years. （用所给词的适当形式填空）1.I____ (not see) him since he ____ (leave) school.2.It ____ (be) five years since we last ____ (see) each other. 1.____now 2 years since he ____ the League.A.It was,joined B.It is,joined C.It was,has joined D.It is,joined2.Have you ____ to Paris before?--Yes,it is better than any other ____ in France.A.gone,city B.been,city C.gone,cities D.been,cities3.More tha 根据句意及汉语提示写单词.1.I have learned English for ____(几乎) 10 years and I'm very good at it.2.____(幸运地),he wasn't badly hurt.3.Eight ____(点) nine means 8.9.4.Mr Brown is over 90 years old,but he is still in good ____（健 It ____(run) by the student for the school ________(start) two years ago