做家庭作业时请把答案尽可能写得清楚一点=Please write your answers( )( )( )( )when you do your homework.

做家庭作业时请把答案尽可能写得清楚一点=Please write your answers( )( )( )( )when you do your homework.
扎龙地区鸟儿的生存空间正变得越来越少=The( )( )for the birds in ZhaLong is becoming( )( )( )