A: Have you got any books on computers? I want to borrow _______.B: Yes, Here you are, but you must return _____ by Friday.
_____ hard work it is! But _____ fun it is to finish walking the trail.
The life we were used to ________ greatly since 2002
Your shoes under the bed _________. Put them in the sun, please.
The story book _________ for two weeks .
—Look,your father is playing the piano over there. —He________ be my father. He has gone to Beijing.