It looks ___________it’s going to rain.怎么答案

应该选 C as if 用法归纳 1． as if 从句的作用 as if一般可由as though来代替。可在look, seem等系动词后引导表语从句。如： He looked as if / though he was ill. 他看起来好像生病了。 It seems as if it is going to rain. 看来好像要下雨了。 它还可引导方式状语从句。如： I remember the whole thing as if / though it hap