for three weeks,our forces,push forward at a great speed连词成句

It goes for three weeks. My sister was _____(离开) from our school for three weeks for three weeks,our forces,push forward at a great speed连词成句 for three weeks 的同义词组 then farmers wait for three weeks. This went on for three weeks 选择：I hear our teacher will be back ---- three weeks' time. A.at B.in C.for D.after The American doctor has been there___.A.in three weeksB.three weeks agoC.has leftD.for over three weeks how long are you going to stay in Bangkok?答语A.for another three weeks B.for the last three weeks C.it tooks three weeks he has been away for three weeks.写出同义句, You can keep the library book for three weeks把for three weeks划线了 怎么写疑问句? She had to be in hospitalA two weeks ago B for three weeks为什么要加for呢? 1 He came to our village two years ago.=He our village since two years ago.2 He left home three days ago=He home for 3 days.3 I bought the watch 2 weeks ago=I the watch since 2 weeks ago.4 It is 5 days since I borrowed the book=I the book for 5 days. Our task is to finish the job in three weeks.为什么用to finish? We have 8weeks off for our summer holiday.(同义句)____ ____ of our summer hiliday is 8 weeks. He is ill ,He's been lying in bed for three weeks请问He's been lying in bed for three weeks换成现在完成时可以吗,为什么? John has been away for more than three weeks.改为同义句more than three weeks( )（ ）（ ）John was here. I'm afraid he has kept the book for three weeks.（改写同义句）I'm afraid he ___ the book three weeks ___.