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n’t she? 她一定在家里,是嗎? Tom must have a sister,doesn’t he? 湯姆肯定有一個妹妹,是嗎? 5. must與 have to的區(qū)別 : I must be off. Thank you for your help. 我得走了。 We have to be there early. 我們得早點去那兒。 have to含有“ 不得不 ”的意思。 誤: He will must go there tomorrow. 正: He will have to go there tomorrow. 正: He must go there tomorrow. 他明天必須去那里。 1. 你的自行車怎么能和我的自行車 相比 呢 ? How does your bike ________ _____ mine? 2. 她從一本小說中選了 一段 。 ________ he worked hard, he failed in the exam. pare with passage Although4. 教師向?qū)W生 大聲 朗誦這首詩。 Her success here depends upon ______ and ability. 6. 我相信,不論年齡或背景怎樣,每個人都能夠 提出 新穎的點子和精辟的見解。 1. —Where is Mary? — She ____ in the library. A. should be B. must be C. can be D. must have been 2. His room is dark. He must ____ to bed. A. go B. be going C. have gone D. have been gone 3. —“I think Helen is at home.” —“ No, she ____ be at home, for she phoned me from the airport just five minutes ago.” A. mustn’t B. needn’t C. can’t D. daren’t 4. He’s late. What ____ have happened to him? A. can B. may C. should D. must 5. “Must he do it?” “No, he ____.” A. mustn’t B. needn’t C. doesn’t have to D. B or C 6. You must be a writer, ____ you? A. mustn’t B. are C. must D. aren’t 7. We ____ hurry if we want to arrive in time. A. must B. need C. may D. have to Preview the words and expressions in Lesson 20. My Favourite Food: Write a 4line rhyming poem about your favourite food. Include a drawing of the food in the poem in a creative way.