as if

他看起来好像整晚没睡。

He looks ___as ___if he hasn't slept all night.

他目光呆滞，仿佛陷入了深深的恍惚。

He stared into space ___as ___if in a deep trance.

看起来好像要下雨了。

It looks ___as ___if it might rain.

就好像我们已经做了多年朋友一样。

It was ___as ___if we had been friends for years.

太阳高悬天空，没有云朵，看起来今天会是个美好的一天。

The sun was up in the sky, there were no clouds and it looked ___as ___if it was going to be a wonderful day.