两个英语句子的语法问题
1.who was the first one to arrive?我想reach后面不用跟介词而arrive要,所以填了reach.请问这里为什么要用arrive呢?这个arrive在这些类型的句子里有特殊用法吗?还是句子本身错了?
2.not only （should you ）help him with his math but you should help him with his english.这本来是一道选择题,选择部分是括号里面的内容,我一开始选了you should,但答案是这个.请问是答案错了还是有特殊用法?