If he_____(not be)careful,he will fail in the game.该填什么,并给理由

if you don't be careful,you will fail in the exam.和if you ar ____(听说)that he will not play in the game. if you___(not study)hard,you will fail in the exam if you do not work harder from now on,you will fail in the e If the beginning will be failed还是will fail If you __(not be) careful with the dog,it will bite you If you don't be carefully ,you will fail in the exam.改为祈使句 You will break it if you ____(not be) careful. My parents will be disappointed______me if I fail the examin if she （ ） careful she may get lost in the forest.(not be) Do __ careful in the tests,and you will get good marks.(be)填 Be careful _(not make ) any mistakes in your homework 空格填什么