1.I don't really know,I'm just g     .
2.I need one more stamp before c    my collection.
3.The children played t      in the street.
4.My English teacher asked us to c     the false sentences in class.
5.I want to       (提高)my English.?
6.You must try to improve yourg     .
7.She is too       (害羞) to speak in front of class.
8.My English teacher demanded us to write a p     when we complete a sentence.
9.English and American s     of some words are different.
10.I read Tolstoy's books in t      .