Question

______in a proper way, waste can be turned into useful things.

A．To deal with

B．Dealt with

C．Dealing with

D．Being dealt with

Answer 1

B

考察非谓语动词。句意：用恰当的方法处理，废物也能变成有用的东西。过去分析表示被动的发生过的动作，和句子主语是动宾关系。Dealt with的动作对象是waste，故选B。