— Which box is mine? — Well, my box is not as yours, though they look the same.
There is ______ wrong with this computer. It doesn’t work well.
–Which color do you like ______, blue or green? –Blue.
–______ schoolbag is this? –I guess it’s Lily’s.
The reading room _____ very quiet. I enjoy reading books there.
Some volunteers from Beijing arrived in Shanghai _____ April 29 to work for the World Expo.