Look!There are many apples（ ）the trees.A little monkey is playing（ ）the trees.A.on,in.B.in,on,

Look!There are many apples（ ）the trees.A little monkey is playing（ ）the trees.A.on,in.B.in,on,
Look!There are many apples（ ）the trees.
A little monkey is playing（ ）the trees.
A.on,in.B.in,on,

Look!There are many apples（ ）the trees.A little monkey is playing（ ）the trees.A.on,in.B.in,on,
A.on in
只需记住一个口头禅：“on 长”
如果是长在树上 用on
如果不是长在树上 用in

选A.本身长在树上的东西用on,不属于树上的东西用in.