他看起来像是见了鬼一样。

He ___looked ___as ___if he had seen a ghost.

这条裙子太美了，看起来像是为女王量身定做的。

This dress is so beautiful it ___looks ___as ___though it was made for a queen.

天色这么暗，看起来要下雨了。

The sky is so dark it ___looks ___as ___if it's going to rain.