101.  "No!" said the other children, " better safe that sorry ."

102.  But my English base isn't good.

103.  My English feeling isn't good.

104.  My chinese base isn't good.

105.  I like them very much.They ave become my good friends.

106.  They were almost good at swimming.

107.  But who studied swimming first time or wasn't good at swimming, he must swim in the pool.

108.  I thought June was the best one of the year.

109.  Through the window, I saw seven or eight children swimming in the river, many of them are good at swim .

110.  I used to swim in my childhood, but now I haven't swam for about ten years, I think June is one of the best months in a year .