用英语怎么说？ ·1.It slipped my mind.老实说我给忘了。Honestly it just slipped my mind.我给忘了。I suppose it must have slipped my mind.我给忘了。Must have slipped my mind with all this going on.在这么多事情发生的情况下。 ·2.I totally forgot.我完全给忘了。I totally forgot.我完全给忘了。Wow I totally forgotabout that.我完全给忘了那件事。 ·3.I completely forgot.我完全给忘了。I completely forgot.我完全给忘了。