39．The tall mountain can    the wind and the sand      the desert．

    A．help；out of  B．keep out；from    C．run off；into D．protect；from

38．一Can the work be finished as planned?

一Sure，      it completed in time，we’ll work two more hours a day．

A．having got           B．to get                  C．getting            D．get

37．The trees      we have planted grow very well，       ?

    A．that；haven’t we                       B．which；haven’t we

    C．whose；don’t they．                    D．that；don’t they

36．―I'm sorry I     you dictionary in the drawer．

    ―Please don’t forget       it here tomorrow．

    A．forgot；to bring   B．1eft；to bring C．forgot：to take       D．left；to take

35．      nature reserves are built，      the number of giant panda will be increased．

    A．The more；the better                 B．The better；the more

    C．The more；the more quickly         D．The more quickly; the more

34．一I asked him to      the broken cup but he didn’t．

    一Don’t be angry．          ，he’s only three years old．

    A．drop by；First of all                  B．drop by；After all

    C．pick up；After all                       D．pick up；First of all

33．I     a gift from my parents on my birthday     money．Receiving money can make me uncomfortable．

    A．prefer receiving；to receiving           B．prefer to receive；than receive

    C．would receive；rather than receive       D．would rather；than

32．I watched that man for a long time and wanted to know       ．

    A．whether I have seen him before          B．where I had seen him before

    C．that I had seen him before             D．when did I see him

31．It is    serious that      plastic bags cause     pollution．

    A．so；too many；much too                  B．extremely；too much；much too

    C．much；too many；too much              D．too；much too；too much

30．Some people who      here believed it      predict an eclipse of the sun

    A．used to living；used to predict           B．used to live；was used to predict

    C．was used to live；used to predicting      D．used to live；used to predict