for two years 是什么意思?

for two years 是什么意思? They____China for two years. Two years for for two years 同义词 over the two years是什么意思? two years ago 和for two years有什么区别 She's been abroad for two years.be abroad表示出国 那BEEN在这里是什么意思? for two years 用于什么式 They stayed in Beijing for two years. I have ( )the book for two years. Tom's grandfather( ) for two years. for two years 用英语 怎样提问