这个句子怎么改错?The first two questions are rather difficult,but the rest is easy把心自居回答出来把新答案回答出来

The first two questions are rather difficult,but the last is easy.（只有三个问题的情况下,剩下一个,那就是the last is）或者The first two questions are rather difficult,but the rest are easy（问题不止三...