I have been collected stamps these yeas.与I have collected st

I have been collected stamps these yeas.与I have collected st I have collected many foreign stamps,______ them are Austral i have collected wonderful stamps from across the world.you I ＿ over 2500 kinds of stamps so far.A.collected B.have coll She told me that 500 stamps would have been collected when s Have I ever collected waste paper or bottles for recycling? They have collected stamps since 1986.改为被动语态 请问have collected 和have been collecting 有什么区别 My cousins have collected stamps for two years." They have _ I have been here since three yeas ago Tom has collected ____stamps as I have .A.twice as many B.tw 连词成句 more stamps have than two collected l hundred 怎么连啊；；；；；