1.Can you get oranges on(in) the tree?
生长在树上的用on,原本不生长在树上的用in
2.There is(are) some chicken on the place.
chicken是不可数名词,不能用are
3.I can see a cat and a bird in(on) the picture.
介词应用in(固定搭配,米有理由）
4.I have two sisters.One is a worker.The other(Other one) is a doctor.
The other另一个,带有剩下的一个的意思,one...the other用在两者,不能用other one