The two boys look very different.In （fact,事实）,they are brother.
这两个男孩看起来长得不一样.实际上,他们是兄弟.
in fact,其实.再问一题He s__ he did a good thing yesterday and he was very happyHe （said，说） he did a good thing yesterday and he was very happy.

他说他昨天做了一件好事，他很开心。