题目内容：

i don't know how they decided 还是 decide 时态怎么用呢

优质解答

这个主要看你想表达的中文意思是什么?他们是如何决定的 --- 用decided他们将如何决定 -- how will they decide其实更地道,跟简单的表达是,I don't know what their decisions are.如果是过去的决定,则用 I don't kno...