选择because,because of ,so 填2个空格!急

问题描述:

选择because,because of ,so 填2个空格!急
____ the superstars ,many young people came to the concert.
He was too excited to fall asleep ____ the letter his father wrote to him.
选择 because ,because of 或者 so 填上去...最好说一下理由..

两个都是because of 因为的意思because接句子,because of后是词组或单词明显第一句the superstars是单词,所以用because of第二句中the letter his father wrote to him看起来是一个句子,其实不是,his father wrote t...