21、John Smith，who____________ in many different countries before he came to France．was one of the earliest film directors．

     A．has lived            B．1ives

     C．had lived            D．was living

20、We can see clearly from the top of the building_____________ that the police are talking to．

     A．what is it            B．who it is

     C．how is it            D．where it is

19、Children under 16 are not permitted to see such kind of films_____________ is bad for their mental development．

  A．that                     B．which                     C．as                            D．it

18、The properties of the metal are_____________ if we are to use the metal in engineering．

     A．studied               B．studying

     C．to study             D．to be studied

17、一I just saw Roger at the bus stop．Why_______ he________ for a bus?

一He has to go to the university for the 10 o’clock class．

    A．is；waiting         B．does；wait

    C．did；wait           D．will；wait

16、When we arrived in the middle of the night，there was no food_____________ as all the shops were shut．

     A．1eft                   B．available                  C．remaining                 D．convenient

15、Do you expect_______ to be a possibility that more and more students from poor families will be able to go to college?

    A．this                    B．that                         C．it                            D．which

14、In my opinion，shoes made in China are mostly of high quality and__________ long．

    A．are worn             B．wears

    C．are wearing         D．wear

13、By doing the program with another person，Mr．Green and his partner received a 10％discount for the course，_____them more than l,000 yuan．

A．saving                     B．to save                     C．saved                        D．save

12、I went to the company to rent a bus which can______________50 people for our trip to Luoyang．

    A．1oad                  B．hold                        C．fill                          D．support