20、Had you devoted _______ energy to your lessons，you would have been ______ disappointed．

A．more；less           B．fewer；more          C．least；most             D．most；least

19、If you prefer more information about our company，please ________ it in my office on the second floor．

A．acquire              B．obtain               C．attain               D．achieve

18、The problem is right under discussion and it will ________ have been solved by the end of the year．

A．gradually            B．hopefully              C．gratefully            D．deliberately

17、My strength had almost ________ when they found me under the ruins of the house．

A．given out             B．given in             C．given up            D．given away

16、Careless driving is a great killer，so ________ is drinking allowed before driving．

A．at no time           B．in no time          C．at a time           D．at all times

15、Anger is good for you，________ you control it properly，according to new psychological research．

A．before        B．when         C．as long as         D．in case

14、The weather here is generally mild，but it ________ be very rough in summer．

A．can           B．should            C．will          D．may

13、I know a little bit about German as I ________ Germany for a few weeks．

A．had visited                                              B．visited

C．was visiting                                              D．had been visiting

12、Janice couldn't have passed the interview，otherwise she ________ to tell me．

A．could call                                              B．would call

C．would have called                                       D．should have called

11、Fox is advised to give the task to ________ he believed has a strong sense of responsibility．

A．whom              B．whomever            C．whoever           D．anyone