The best way to deal with complex problems is to _______ them _____ into smaller problems.
| A．break; down | B．break; in | C．break; out | D．break; through |
Our team’s success was ________ the efforts of Mr. Mark, who is ________ arrive here in ten minutes.
| A．because; due to | B．because of; about to | C．due to; due to | D．as a result; going to |
________ several times, Bill made up his mind not to watch late night movies any more.
| A．To be blamed | B．Having blamed | C．To blame | D．Having been blamed |
One must have a wide range of knowledge to ________ the changing market.
| A．meet | B．count | C．fit | D．accustom |
— I phoned you at 7 yesterday evening but nobody answered.
— Oh, I ________ my dog in the park then.
| A．walked | B．was walking | C．had walked | D．would walk |
－I wonder if I smoke here．
一NO, you. You see，there is a“NO SMOKING”sign here．
| A．may；needn’t | B．must；can’t | C．shall；won’t | D．can；mustn’t |