I lost my pencil. I must look for one

I lost my pencil. I must look for one I can't look for my pencil case.错在哪儿 I lost my pencil case.同意句 i must have lost my key~ i want to ( )my lost watch, so i look for it everywhere 快啊 , I look for my book everywhere and p I have lost it. I can‘t look for my pencil case（找错的地方） 改病句:I can't look for my pencil case . 这哪错了? I lost my favorite book that i （ ）for about one year.为什么是填‘h My cat is lost.I can't ________ it A find B) look for C) loo I've lost my passport.Take it easy.I_____you look for it I lost my school ID card I must f