Look!there are some_on the floor.a.child b.waterLook!there are some_on the floor.a.child b.water c.boxes d.girl 选c的原因

问题描述:

Look!there are some_on the floor.a.child b.water
Look!there are some_on the floor.
a.child b.water c.boxes d.girl 选c的原因

there are,那后面肯定跟可数名词复数
a和c为可数名词单数
b为不可数名词