A curve is a line ______ no part is straight and which has no angle.
I don't skate now, but I___________ when I was a kid.
We liked the oil painting better____________ we looked at it.
We must keep our room clean. Dirt and disease go , you know.
-Could I use your bike, Jack? --Of course, you____________.
Helen is much more kind to her youngest child than to the others,___________ of course, make the others unhappy.