列出私有IP地址范围，并指出它们的特点。
10.X.X.X;172.16.0.0~172.31.255.255;192.168.X.X。分属A、B、C类。
暂无解析
Asactivitycarried________asonethinksfitinone’ssparetime,leisurehasseveralfunctions.
Shesat________thetableintherestaurant.
It_______fortwohoursnow
Werefer___youletterofMay2.
Motivationandpersonalitymay________thevaryingdegreesofsuccessinone’scareer.
