一个正方形的草坪,面积为658平方米,问这个草坪的周长是( )
A:6.42
B:2.565
C:25.65
D:102.6
______of the boys has got a pen and some paper.
—What were they doing from 8:00 to 10:00 p.m. last night?
—They ____ (use) the Internet.