单句改错(句子中有一个错的单词，请写出，并改正）

来源：百度知道 编辑：UC知道 时间：2024/06/14 15:18:43
whole of the students are very happy.
Thanks a lot of for helping us .
We have learned Eglish since five years.
I cost ten yuan for that book.
Don't worried about your son.

All of the students are very happy.
Thanks a lot for helping us .
We have learned Eglish for five years.
I spent ten yuan for that book.
Don't worry about your son.

whole---all

去掉of

since---for

I---it

worried---worry

(all改成) of the students are very happy.
Thanks a lot （of去掉） for helping us .
We have learned Eglish （for改成） five years.
I （paid改成） ten yuan for that book
Don't (worry改成) about your son.