三个选项都对：

正：You may be tired and he may too.

正：You may be tired and he may be too.

正：You may be tired and he may be tired too.

类似地，又如：

He would beat me, yes, and (he would beat) you too. 他会打我，是的，也会打你。

The hotel is wonderful and the weather (is wonderful) too. 酒店很好，天气也很好。

The horse cannot carry your luggage and (carry) his (luggage) too. 这匹马不能既驮你的行李，又驮他的行李。

We are selling the house and (we are selling) the furniture too. 我们打算出售房屋，还有家具。

There were people from all over Europe, and (there were people from) America too. (D107) 有来自欧洲各地的人，也有来自美国的。