35．_______, the concert began.

　　 A．The listeners having taken their seats　 B．Having taken their seats　　　

　　 C．Having taken their places　　　　　 　 D．Taking their seats

34．Our TV sets sell well, but ten years ago no one could have imagined such a big share in the market that they ________.

　　 A．were having　 　　 B．had had　 　　　　　 C．were to have　　 D．had

33．---The thread of my kite broke and flew away.

---I told you it would easily break _____ was the weakest.

　　 A．where　　　 　　　 B．the place where 　 C．for it　　　　 　　 D．where it

32．There is a new problem _____in the popularity of private cars _____ road conditions need to be improved.

　　 A．involving; that　　　　　　　　 　　　 B．involved; that　　

　　 C．involved; where　　　　　　　　 　　　 D．involving; which