I'm interested ___the changes ___the fish's colour.A.in; on,B.in;in,C.at;in,D.at; for

问题描述:

I'm interested ___the changes ___the fish's colour.A.in; on,B.in;in,C.at;in,D.at; for

答案是in on 不过on 也可以换成of 谢谢你对我的信任!