—Can I see your photo? —Yes.__________.
–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.
Tom and Mike are good friends. _____ often help each others.