Must this work_(do)at once?用所给次的适当形式填空,重要的是解题过程

Must this work_(do)at once?用所给次的适当形式填空,重要的是解题过程 what about ——（have）a cup of tea?用所给次的适当形式填空,重要的是解题过程 用所给次适当形式填空you must finish (do)your homework first是do 还是doing 英语用所给的词的适当形式填空Simon__(entrance)the classroom at once. if you work_(do),you can have a rest.用括号词的适当形式填空 每一大题加5分按所给次的适当形式填空what subject ____(do)he study at schoolloo 二．用所给动词的正确形式填空.1．Must we ________ the work at once?(start) 用所给次的适当形式填空 一、用所给次的适当形式填空 这道题的解题过程是?用所给词的适当形式填 用所给单词的适当形式填空.What does Simon want to do this ( 用括号内所给动词的适当形式填空.It _____heavily outside.You must stay at hom