1. in class,in the class
in class指在课上,例如:
She is in class now. (她正在上课。)
in the class指在班级里,例如:
He is the best student in the class.
2.on fire,on the fire
on the fire指在火上,例如:
Put the food on the fire.(把事物放在火上。)
on fire指着火,例如:
The house is on fire. (这房子着火了。)
3.out of question,out of the question
out of question指毫无疑问的,out of the question指不可能的。
4.a second,the second
a second指又一、再一,例如:
She published her first book last year,and has now written a second.(她去年出版了第一本书,现在写了第二本。)
the second指第二个人或物,例如:
I was the first to arrive,and she was the second.(我是第一个到,她是第二个。)
5.the people,a people
the people指人,a people指民族 例如:
The Chinese is a peace-loving people.(中国是一个热爱和平的民族。)
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