You must _____ (look) after the old man.急需

_____(must) l _____(finish)my homework now No,you need not. You must _____(do) your homework carefully. You must _____ the book on time 变反意疑问句You must be joking,_____? You must stay _____ bed.介词填空 You must speak English as mush as you can .同义句 You must speak English _____ _____ _____ _____. You must look after your things .（同义句）You must ____ _____ _____ your things . You must read the _____ before you take the medicine. You must go home now ,_____ ______?You needn't do it ,_____ _____? You must return the bike to her同义you must ____ the bike _____ to her I phoned you at 9:00 this morning but got no answer.l am sorry .l _____ the bell.l____in the garden .A haven't heard,must have been.B didn't have heard,must beC didn't hear,must have been D didn't hear,must be 选哪个?为什么? You must _____ (look) after the old man.急需 You must go straight home _____ school on weekdays. you must _____(be) on time next time. It is dangerous .You _____(must be)careful 国家节水的标志(4)You must _____ _______ 国家节水的标志(4)You must _____ _______jijiji l would like you _____ (join)us