24、----What time do you start work?

---- _____________.

  A. It’s none of your business.        B. It varies.

  C. From 8 a.m. to 4 p.m.                 D. It doesn’t make any difference

23、

22、There are cases         the word “bed”is used as a verb．

A．which    B．that    C．where   D．when

21、If he had known it was going to rain，he       his umbrella to work．

    A．should have taken     B．would have taken

    C．must have taken       D．could have taken

20、World-renowned pianist Lang Lang denied the widespread rumour     he had taken American citizenship in his blog Thursday．

A．that    B．which    C．who    D．when

19、―I guess you are fond of driving．

―Not really．I do it       because I have to get to work each day．

A．generally   B．exactly    C．normally  D．simply

18、Over the past 30 years，China        significant changes in comprehensive national strength thanks to the reform and opening-up policy．

    A．witnessed        B．were witnessing

   C．has witnessed   D．will have witnessed

17、Hundreds of companies in Shanghai have promised not to lay off employees    the global economic crisis．

A．in case of    B．in place of    C．in favour of    D．in spite of

16、It's widely believed that early rising        good health．

A．turns to    B．makes for    C．takes up   D．gets over

15、I have formed a habit of         some time each day for exercise．

A．setting aside    B．keeping up    C．turning down   D．leaving out