20、These are all ________houses for the homeless.
  A. newly - building        B. newly-builder
  C. new - building           D. newly - built

19、― Were you worried about him last night?
― Yes. It was ________.
  A. until he returned that I went to bed
  B. until be returned that l slept well
  C. not until he returned that I went to bed
  D. not until did he return that I went to sleep

18、Now that he has missed his ________, he’ll have to wait for the next round.
  A. chance    B. turn     C. duty      D. class

17、－Can I smoke here?

－ No．in no circumstances        in the library．

A．smoking permits                          B．smoking is permitted  

C．does smoking permit                    D．is smoking permitted

16、

Computers now allow searches of fingerprint files to match a print at a crime       

    A．sign             B．stage             C．10cadon          D．scene

15、

The bus went on slowly，       every now and then to take people in．

    A．to stop            B．stopping         C．to have stopped    D．stopped

14、      make me feel worried is      singing stars are centered on by masses of teenagers today．

    A．What；what       B．that；that        C．What：that       D．That；what

13、John has determined to     teaching in Wenehuan when he graduates from university．

    A．pick up           B．set up           C．take up           D．give up

12、一Why do you look so upset?

一I broke up with my girlfriend．If only I           more about her．

    A．care             B．eared            C．had eared            D． had been eared

11、When I was child，I        often play with my little dog near the river，which I missed so much years later．

    A．should           B．would            C．could            D．might