she didn't pretend she hadn't seen him.she didn't ___she hadn't seen him.
选1.act as if
act 有“ 装出;举动像; 假装;演戏,表演”等意思,而conduct没这个意思.
she didn't pretend she hadn't seen him.她并没有假装没看到他.
she didn't _act as if __she hadn't seen him.她并没有装出好像没看到他的样子