she thought that the work was too difficult to do it有身摸错误?
问题描述：
she thought that the work was too difficult to do it
有身摸错误?
答
把it去掉
to do做定语
答
去掉最后的it
答
去掉it
答
有,最后的it 是多余的,和前面的the work重复了
答
she thought that the work was too difficult to do .
去掉it
the work 就是to do 的宾语,再加it就重复了.
答
把it 去掉就对了，因为重复了。