You must before be carefully什么意思

You must before be carefully什么意思 you must look carefully before you ______(通过)the road. You must c---- it carefully before you do it you must be 意思 You must first be finished before lunch. You must be _(careful) than before. You must be more _____next time.是careful 还是carefully you must be carefully to stop your finger from （cut) Before you cross the street,you must look b__ ways carefully please look carefully before you 什么 （cross ）the street before you 什么意思 think carefully before you leap