27、Play, often seen as        activity for kids, is still important in         development of teenagers．

A．the; the          B．an; the          C．an; 不填           D．the; 不填

26、______, I think, the problems can be settled in no time．

A．A bit more efforts                                       B．Keep up your spirits

C．If you double your efforts                                  D．Making greater efforts

24、Sean has formed the habit of jogging       the tree-lined avenue for two hours every day．

A．between         B．along         C．below          D．with

23、It took us quite a long time to get to the amusement park．It was        journey．

A．three hour                                      B．a three-hours

C．a three-hour                                    D．three hours

22、If our parents do everything for us children, we won't learn to depend on        

A．themselves                             B．them

C．us                                    D．ourselves

21、Every few years, the coal workers，        their lungs X-rayed to ensure their health．

A．are having                                      B．have

C．have had                                     D．had had

20、- Sorry, Professor Smith．I didn't finish the assignment yesterday．

- Oh, you       have done it as yesterday was the deadline．

A．must                                  B．mustn't

C．should                               D．shouldn't

19、In ancient times, people rarely travelled long distances and most farmers only travelled               the local market．

A．longer than                                     B．more than

C．as much as                                   D．as far as

18、The church tower which       will be open to tourists soon．The work is almost finished．

A．has restored                                    B．has been restored

C．is restoring                                    D．is being restored