Any mistake ,once----,must----.A.find,correct B.found be cor

Any mistake ,once----,must----.A.find,correct B.found be cor That must be a mistake.No,it____a mistake.A.must not be B.ne 改错1.Do exercises.Each line has a mistake.Find it out and cor "that must be a mistake" "no,it______a mistake" :Find out ther mistake and correct it. find and correct the mistake的翻译 Find out ther mistake and correct it. Once a decision is made,it must be----A:carried on B:carried Once a decision is made,it must be -----A:carried on B:carri That must be a mistake,___ it?A mustn't B can't C isn't 选什么, she is ill.She ()to hospital at once.A.is sent B.must be sen 选择填空（）3.The work（ ）at once .A .must do .B.should be done