问题描述：
congratulation!the last question!ready start!
1.people present?是加ed还是不加?
2.long before
before long比较?
3.watch sb.die from cancer up.
(close and personal) 为什么这句中是形容词而不是closely and personally副词?
3.物料守恒是?
4.await 与 wait 区别?
1.people present?是加ed还是不加?
2.long before
before long比较?
3.watch sb.die from cancer up.
(close and personal) 为什么这句中是形容词而不是closely and personally副词?
3.物料守恒是?
4.await 与 wait 区别?
问题解答：
我来补答展开全文阅读