Mary found _______,A.Chinese difficult to learn B.Chinese difficult to be learnedMary found _______A.Chinese difficult to learnB.Chinese difficult to be learned选A的话，Chinese 和difficult 之间不用加is
问题描述：
Mary found _______,A.Chinese difficult to learn B.Chinese difficult to be learned
Mary found _______
A.Chinese difficult to learn
B.Chinese difficult to be learned
选A的话，Chinese 和difficult 之间不用加is
答
A Mary found Chinese difficult to learn这里的意思是玛丽发现中文（对她而言）很难学Mary found Chinese difficult for he to learn需要用主动 不需要加is 1.Wethinkitnecessarytodosth.我们认为做某事是必要的.来...