be careful,jack!变为同义句

Be careful.同义句、 Be careful next time的同义句 Be careful next time.同义句 be careful while you are crossing the street（同义句） be careful Be careful not to get lost同义句转换 to be careful with fire is important（同义句） Be careful,or you will hurt yourself.同义句转换 be careful ,or the car may hit you.同义句 Be careful not to be late.(同义句）Be careful_____ _____ _____be Jack is going to be an engineer (同义句) jack seems to be very happy改为同义句 jack seems to be asleep（改写成同义句）