correctionTherearesomanythingsto
There are so many things to be done by me. I have no idea that I should do first. 有一个错误，请改正 为什么
将that改为which是对的 既然句中提到的是to do first,从逻辑上讲肯定是有几件事可以供我选择,而我不知道该将哪一个作为首选,而在众多选项中选择一个只能用which是最恰当 若用what则句子应该是I have no idea what to do.(没有first)