未知题型 English has become a communication _______ for people from different countries. A.merit B.stream C.enjoyment D.medium

未知题型 Please do not _______ when somebody else is talking. A. intend B.interpret C.interupt D.invest

未知题型 The World Trade Center is often called a _______ Building， because it is made up of two identical buildings. A. Alike B.Folk C.Twin D.Former