都可以——some 可以用在特殊疑问句中，It has 也可以写成 It's。请看下列《柯林斯高阶英汉双解学习词典》例句：

Who cares about some stupid vacation? 谁在乎什么愚蠢的度假？

Why do some people take longer than othersto blossom?  为什么有的人比他人大器晚成？

It's been such a long time since I played. 自我上次演出以来已有很长时间了。