the scientists were waiting to see the problem _____.为什么不是to

the scientists were waiting to see the problem _____.为什么不是to We belive scientists will _____ a way to solve the problem o Most of the people ( ) to the party were famous scientists. With the population explosion, scientists will have to _____ the key to solve the problem is to _____ trees 13.The foreign guests,_____ were scientists,were warmly welc 14、The visitors were amazed to see so many _____ and preciou Let's work hard to find _____ to the problem. 问个英语问题.求教.The problem is much too difficult to solve.为什么不是To he is waiting for his turn to see the doctor in the waiting Most of the people ___ to the party were famous scientists.答 有关过去分词的语法题1 We are pleased to see the problem _____ so quick