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.

because+句子 because of because of Because of 填because或because of because Because because because, because与because of用法和区别 Because of和Because的用法 because和because of的用法区别 because of和because什么区别` because和because of区别是什么啊? because ,because of ,since ,for的区别 because与 because of的区别 because与because of的区别 because 和 because of 的区别 because和 because of的区别