If you keep doing this,Jack,I'll tell it to the teacher.I'm ___ ,you know.
问题描述:
If you keep doing this,Jack,I'll tell it to the teacher.I'm ___ ,you know.
A.worried
B.careful
C.serious
D.intereted
答
C.
根据题目可知,这是对Jack说的警告.
serious,严肃的;认真的
I am serious. 我是认真的.