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movement运动；
development发展；
improvement提高；
argument争论。
BACK
invention n. 发明；发明物
是由动词invent后加名词词缀ion变来的，同类词缀-tion, -ation构成的词:action动作；creation创造；expression表达；discussion讨论。
BACK
Language Goals:
Talk about past experiences
Have you ever been to a museum?
句 子
Have you ever been to ...?
Yes, I’ve been to ...
No, I have never been to ...
My father has been to Beijing twice．
我父亲去过北京两次。
2.I have never been to the Great Wall．
我从未去过长城。
3.—Where is Jim？吉姆在哪里？
—He has gone to England.
他去英国了（尚未回来）
4.Mr Wang isn't here．He has gone to Qingdao.
王先生不在这里。他去青岛了
5.I have been in Shanghai for three years．
我在上海已有三年了。
6.He has been in London for half a month．
他来伦敦已有半个月了。
1.sb.have /has been to sp.
但现在已不在那里了, ”已经回来,侧重指经历,后