—Hello,this is Mike.Is Jack in?—Sorry, he _____ to his uncle’s home. May I take a message?A.has been B.is going C.has gone
–______ 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.
Her father often _______ to work on foot. But yesterday he ________ a bike.