21、I’m sure that your letter will get _______attention．They know you’re waiting for it．

A．continued         B．immediate         C．careful         D．general

20、Although Jane agrees with me on most points, there was one on which she was unwilling to _______

A．give out         B．give in          C．give away          D．give off

19、—It’s a lovely day, isn’t it?

—Yes．I love ______ when the weather is like this．Why don’t we sit outside and have our lunch?

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

18、So difficult _____ it to adjust to an English-speaking environment that he determined to learn English hard．

A．he has felt        B．has he felt         C．he did feel          D．did he feel

17、Many people in the city wonder _____the city officials have the information they need to solve the problem．

A．that         B．whether          C．what         D．which

16、The long and tiring talk, filled with arguments and quarrels, ended in disorder, ____ no agreement at all．

A．reaching        B．reached         C．to reach               D．being reached

15、—You may find the key to the maths problem on page 107．

—Ah, it’s so simple．I wonder why I         of that．

A．hadn’t thought                                          B．haven’t thought

C．didn’t think                                               D．wasn’t thinking

14、On snowy days, you have to drive very        to avoid traffic accidents．

A．cautiously        B．neatly        C．smoothly          D．properly

13、Try to spend your time just on the things you find _________．

A．worth doing them                                      B．worth being done

C．them worth doing                                      D．worth doing

12、For professional athletes, ________ to the Olympics means that they have a chance to enter the history books．

A．access           B．attachment          C．appeal           D．approach（A）