第1个回答 2012-02-18
We can acquire a lot of knowledge from it about various different countries.
第2个回答 2012-02-18
We had English class today,and I 'm happy to learn so much knowledge. Today we had the English class and I was very happy, because I
第3个回答 2012-02-18
by means of it , we can acquire lots of knowledge of different countries .