III.Fill in the blank with"for"or"Since" 1.It has been raining...................................lunchtime 2.My boss will go away....................................the next ten day 3.I'm staying in England..................................a year 4.She has lived in London...............................1985 5.Please hurry up!We have beeb waiting....................................an hour 6.I have known her....................................January 7.Nam's father has worked in this copany.....................20years 8.Have you learned English................a long time? 9.I haven't seen Tom....................we left school 10.The house is very dirty.We haven'tcleaned it......................years 11.My sister has been a student.................two years 12.We've lived here...............................1990 13.I haven't seen Linh...........................my birthday party 14.She has been away..................... a year 15.We've already waited...........................five days 16.They haven't had any rain...................................very long time 17.That building has been there........................the 19th century 18.I have known them....................many years 19.They have only been there................................a few minutes 20.My brother works for a company called FPT.He has worked for them..............................he graduated from university Ko cần viết đầy đủ,viết mỗi đáp án

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