大家好,我是小新,我来为大家解答以上问题。package,pack很多人还不知道,现在让我们一起来看看吧!
1.pack----把……打包;pack sth. 打包某物
eg;I am packing my books.
2.(1)sb. need to do 一般是人作主语
eg:I need to water the flower.
(2)sth. need doing =sth. need to be done 一般是物作主语
eg:The flower needs watering.=The flower needs to be watered.
本文到此讲解完毕了,希望对大家有帮助。