24、---Do you rent rooms ______ the week? You see, I’m not sure whether I’ll stay for a whole month?

---Yes．The rent is higher，though．

A．for        B．by         C．at         D．on 

22、—You’re going to have a rise this month, aren’t you?

—Yes, only $ 100．

— Well, _______．

A．the more, the better                       B．easier said than done

C．better than never                           D．better than nothing

21、The students ___ busily when Miss Brown went to get a book she ___ in the office．

A．had written, left                            B．were writing, has left

C．had written, had left                      D．were writing, had left

20、—How are you doing all these years, Jim?

—Nothing new．Everything is going on _______ it was years ago．

A．as              B．while               C．when            D．since

19、Stop making so much noise __________ the neighbor will start complaining．

A．or else             B．but still            C．and then            D．so that

18、If there were no examinations, we should have ___ at school．

A．the happiest time                           B．a more happier time

C．much happiest time                       D．a much happier time

17、_______about wild plants that they decided to make a trip to Madagascar for further research．

A．So curious the couple was                    B．So curious were the couple

C．How curious the couple were              D．The couple was such curious 

16、----Come on, please give me some ideas about the project．

----With so much work filling my mind, I almost ______．

A．break up              B．break out             C．break down              D．break off