One German friend of mine who ever asked me some questions about English words.
I don't know how to give him best answers so far.
So I need some help.
Ta very much for your replies in advance.
These promblems are here below.
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1.How many words are needed to really speak a English language fluently?
2.And how many English words does a foreigner have to know ?
3.How many words per day you ought to learn for improving your English lever?
4.Are there strategies available to enable foreign students to learn these words more?