people must_____(follow) the rulestwice用社么提问是how long吗

people must_____(follow) the rulestwice用社么提问是how long吗 17.Old people must_____.A.be spoken to politely B.speak to polite C.be spoken politely D.speak He must_____(read) the book can't believe it fol链接 develop strategy and key focus for FOL/EOL/TEST line maintenance section.在这里FOL/EOL是什么意思? students must_____(work)hard at school. 用正确形式填空 We must_____(send)her to the hosptal at once the spelling of the word must_____(pay) attention to please be aware of the fol owing.这句英语怎么翻译 At the crossing,when the light is red,we must_____快回答!快!在线等!~!~!~! 我们必须尽我们的最大努力提高英语 We must_____ ______ _______ _______improve our English something must_____(do）to stop people_____(cut）trees to protect our Earth I must_____[ask]my mother for it.Mr brown is____[they]father this old man is ill.He must_____(send) to the hospital. You must_____ _____what you eat and drink.你必须为你吃、喝的东西付款. 观察期间你们说话必须小声点you must_____ ____ ____during the watch.中译英 He must_____(like)Chinese very much.我想确定一下 like是不是不用加s? People