the boy makes a plan for a long ___(trip) we should try doing ___(everything)to save the people .
问题描述：
the boy makes a plan for a long ___(trip) we should try doing ___(everything)to save the people .
答
trip something ,trip在一些习惯用法中通常有这种与不定冠词和形容词同时使用的情况,have a good trip等,至于第二个空,do something to do是采取措施做某事的一个固定用法=take measures to do