1.It's simply childish (孩子气的) to refuse to talk to her.
2.I recommend that you should take some online courses for the new job.
3.He spoke with evident (明显的) disappointment.
4.I wish you would stop treating me like a child!
5.He dealt with the problem in a simple manner.
Ⅱ.单句语法填空
1.All of us laughed at him for his childish (child) action.
2.She was a striking (strike) young woman among the people.
3.He felt that he was trapped (trap) in an unhappy marriage.
4.She was_treated (treat) well while she was in that village.
5.It is bad manners (manner) to talk with your mouth full.