Shanghai is one of ___________ cities in the world.A. bigger B. biggest C. the biggest
— Let’s go hiking _________ staying at home, shall we? — Good idea.
— ______ is the library from our school?—It’s quite near. Just go ________ the road.
— Can you tell me ____________?— It happened at 3:00 pm.
— TV was invented in _________ century.— Is that true?
—When _________ personal computers _____________?—In 1976.