In the morning I woke up and found the world outside my house _________ completely.

     A. to be changed    B. changed     C. changing        D. to change

 I just don’t understand _____ that prevents so many Americans from being as happy as one might expect．

      A． why it does    B． what it does   C． what it is                     D． why it is

 You were charged _____ ignoring your duty． Who accused you _____ such a crime?

       A． with; to              B． of; with              C． with; of             D． for; of

________by the advances in technology, many farmers have set up wind farms on their land．

       A． Being encouraged  B． Encouraging  C． Having encouraged  D． Encouraged

 The medical reform in that country proved to be _____ failure, but as we know, success often comes after _____ failure．

       A． a; the                    B． a; /                       C． a; a                       D． /; /

 To make members of a team perform better, the trainer first of all has to know their ______ and weaknesses．

       A． strengths               B． benefits                 C． techniques             D． values

Jane's always nervous when she has to make a speech; she must accustom herself to be     when she is with people．

       A．at ease               B．in disguise            C．at risk           D．in relief

I am afraid we cannot include me item you suggest, as it does not ____ with the rest of the programme．

       A．come down          B．keep up              C．get on              D．fit in

While our city tries impatiently to change its appearance by tearing down old buildings, more and more citizens are suggesting ways to ____ the historically important architecture．

　　　 A．decorate　　 　　　　 B．develop　　 　　　 C．preserve　 　　　　 D．advocate

Drinking water, having a healthy snack and taking exercise are all positive ways to         you when you are working on a tight schedule．

       A．relieve                 B．refresh               C．liberate               D．comfort