we are living in an age( )many things are done on computers
we are living in an age( )many things are done on computers a which b that c where d when
还有一道类似的也不太明白
we are living in an age（ which或that） we have a lot of things to learn about
第一道为什么不能用that或which.
第二道为什么不能用when
介词+关系代词（which）=where或when怎么理解
还有一道类似的也不太明白
we are living in an age（ which或that） we have a lot of things to learn about
第一道为什么不能用that或which.
第二道为什么不能用when
介词+关系代词（which）=where或when怎么理解
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第一个句子后面的从句少了时间状语,所以引导词用的是when,后面的句子完整的话就是Many things are done on computers in the age.你看后面这个句子不少主谓宾,只是少状语.
而第二个句子后面的从句少了宾语,所以引导词是which/that,后面的句子完整的话就是We have a lot of things to learn about this age.所以用which/that 指代an age
介词+关系代词（which）=where/when
我可以举个例子 I like the room where he lives=I like the room in which he lives.这里where指代in the room which 指代the room
I like Saturday when I can play games= I like Saturday on which I can play games 这里when指代on Saturday which 指代Saturday.
而第二个句子后面的从句少了宾语,所以引导词是which/that,后面的句子完整的话就是We have a lot of things to learn about this age.所以用which/that 指代an age
介词+关系代词（which）=where/when
我可以举个例子 I like the room where he lives=I like the room in which he lives.这里where指代in the room which 指代the room
I like Saturday when I can play games= I like Saturday on which I can play games 这里when指代on Saturday which 指代Saturday.
1年前
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