1.Unfortunately they hadn't allowed for the heavy traffic and got to the airport too late to catch their flight.

　　2.Watching news broadcast on TV can keep you up date on the situation both home and abroad.

　　3.He hopes to catch up on the lessons he missed during the weekend.

　　4.Once you have worked out a studay plan,you should put it into practice.

　　5.Many people lent a helping hand to that poor child.

　　6.He collected much money from his friends and posted it to the people in the earthquake area.

　　7.He looked a new word up in a dictionary whenever he runs across it.

　　8.It is the first time he has ever been in China.

　　9.He is a scientist who has made great contributions to the society.

　　10.She is no star.

　　11.It is reported in the newspaper today that a boy has helped the police to catch a robber.

　　12.Some Londen newspapers are full of personal advertise ments.

　　13.We were almost breathless when we climbed to the top of the mountain.

　　14.The headline of the newspaper caught my eye this morning.

　　15.Some burglars broke into Mr.Smith's house when they were away on holiday