A．convincing                      B.convinced                                                                 

C．to convince                     D.to be convinced

32．We were heartedly arguing about the financial matter，the

    telephone rang unexpectedly.

A．while                              B．as

C．when                               D．as soon as

33．They lost their Way in the forest，and    made matters worse was night began to fall．

A．that                               B．it

C．what                               D．Which

34．Were it not for their support and help，we able to finish the  task ahead of time．

A．were not                       B．should not have been

C．are not                        D．would not be

35.    ,follow the directions on the bottle carefully.

A．When taken drugs               B．When drugs e taken

C. When one takes drugs           D．When taking drugs

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