―The window is dirty．

―I know．It          for weeks．

       A．hasn’t cleaned                              B．didn’t clean   

       C．wasn’t cleaned                             D．hasn’t been cleaned

They give performances in the club every night，for which they are paid       ．

      A．in common          B．in fact                 C．in cash                   D．in peace

There is no doubt        John will come by bus．

      A．if                        B．why                    C．that                       D．how

I was         enough to believe a stranger．

      A．foolish                B．shy                      C．wise                      D．clever

Put on the hat．It will protect you           the burning sun．

      A．with                    B．a(chǎn)bout                   C．from                      D．off

直到這次期中考試后他才意識到英語非常值得學(xué)。（It, worth）

務(wù)必確保你要學(xué)會游泳，因?yàn)檫@有可能意味著生還是死。（Make sure）

我已經(jīng)告訴過你我做出這道題的方法。（way）