判断下列句子是否是定语从句,并标出定语从句（{ }）、先行词（）及关系词（( )）如：I like {(who) is wearing a red dress.}Do you know who the top student in your class is?I can't temember where I put my dictionary.When the students were all at school,the murder took place.The murder took place at a time when the students were all at school.I wonder why I was not invited to the party.Who is the man talking to our teacher?
问题描述：
判断下列句子是否是定语从句,并标出定语从句（{ }）、先行词（）及关系词（( )）
如：I like {(who) is wearing a red dress.}
Do you know who the top student in your class is?
I can't temember where I put my dictionary.
When the students were all at school,the murder took place.
The murder took place at a time when the students were all at school.
I wonder why I was not invited to the party.
Who is the man talking to our teacher?
答
前3个都不是,都是宾语从句
The murder took place at 〈a time〉{（ when） the students were all at school}.
后两个也不是