He has just bought twelve pigeons.When did he——them?a.bought b.buys c.buy d.buying选什么,为什么?

He has just bought another garage .有语法错误吗 he has just bought another garage 中的has just 什么词? he has just bought twelve pigeons 改成 he just ____(buy) twelve pigeons 怎么改 he has just bought twelve pigeons的just带有什么样的意思,起什么样的作用 He has just bought an Australian car.可以说Chinese car吗 He has just bought a new house in the city.（改为被动） 一般过去式和现在完成式he has a garage in silbury and now he has just bought another garage in pinhurst 可以改成he has a garage in silbury and now he just bought another garage in pinhurst吗? ben is upset because the watch which he has just bought _____ 用is gone 还是has gone啊? He has just bought twelve pigeons.When did he——them?a.bought b.buys c.buy d.buying选什么,为什么? He has bought 和 He bought 有什么区别呢? he has just bought another garage这句话中的句子成分he 是主语 has 是助动词和bought一起构成谓语 another 是定语 garage是宾语这样对不对?那么just是什么呢? he has just bought twelve pigeons.新概念二 Lesson 5这里为什么要用完成时呢,为什么不用一般过去式. he has just bought a new house.he has been in it( ) a short time.a.since b.for c.about d.ago选哪个,为什么? He has bought it 这个句子对吗 silbury是什么意思?我在词典找不到.例句：Mr.James Scott has a garage in and now he has just bought Silbury anther garage Pinhurst. Tom has bought a new car just now.改错. he has just bought an Australian car and has gone to Alice Springs.句中and后仍然需要用has gone吗主语反正都是他,and 的后项不能不用has吗?he has just bought an Australian car and gone to Alice Springs 几道英语改错题his father has just bought a new bike for him in which he goes to school every day.he wrote a book about the days which he stayed in his beautiful country.is this the watch fof which you are looking?i don't believe the reason why