children likes things that are made in different color,为什么不用which?

问题描述:

children likes things that are made in different color,为什么不用which?

children like things that are made in different color.children 是复数.
that和which一般都可以互换.这里也可以.
但that前不能有逗号、介词等,即有逗号,介词的地方只能用which.