english:be careful with such things.if you __,you will drop them A.don't B.aren't

English grammar:How can i use the BE CAREFUL,BE CAREFUL ABOUT,BE CAREFUL OF,BE CAREFUL WITH?Need help about English grammar ,How can i use the BE CAREFUL,BE CAREFUL ABOUT,BE CAREFUL OF,BE CAREFUL WITH?Even i know they are preposition,but i don't unde be careful be careful! be careful be careful you must be more careful next time .”our English teacher said to her.改为间接引语 You made few mistakes in the English exam,so be careful next time改错 --Mum ,I`m talking my English exam tomorrow.--________!A.Be careful B.Good luck理由!顺便将意思都给写出来吧Be careful be careful翻译 you must be careful be careful中文解释 be careful怎么读 be careful of Be careful是什么意思? be careful怎么读 be careful of be careful是什么意思 be careful 什么myglasses