get close to 与 come up to作“靠近”解,能互换吗?

问题描述:

get close to 与 come up to作“靠近”解,能互换吗?
don'tletthe child ____ ____ ____ the dog. 是否两个都可用呢?

get close to 靠近
come up to 靠近,但强调的是come,来
这里Don't let the child 用 get close to the dog 更好
应为我们不知道是come还是go