A ． give up                                                B ． give out

C ． give in                                                 D ． give away

27 ． His speech was warmly received. It was several minutes before the applause _______.

A ． died down                                           B ． died of

C ． died out                                               D ． died off

28 ． Mr. Zhang makes _____ a point to keep up with the latest development in his field.

A ． this                                                        B ． that

C ． it                                                           D ． these

29 ． In many countries now seat belts are _____ for the driver and front seat passengers at least.

A ． necessary                                                B ． in demand

C ． in need                                                   D