【正文】
___ ________at the gate before entering the meeting room. 。 We should help the local villagers________ ________the beach. ,但同時我感到很快樂。 I am tired, but_____ ______ _____ ______, I feel happy. 。 We should________ ________ ________the danger of smoking. 四、語法專練 A) 用方框中的情態(tài)動詞填空 maths to be an engineer. clothes are too dirty and they________washing. Li________be in the office. He has gone to Beijing for a visit. borrow your pencil, please? in your homework on time, Tom. B) 單項選擇 have travelled a lot. I ________ speak four languages. A. can B. may C. must D. need 22.—Mum, I39。ve signed for the box. What39。s in it? —I39。m not sure. It ________ be a present from your uncle. A. need B. must C. may D. will most young people like shopping online because they ________ spend a lot of time going from shop to shop. A. needn39。t B. can39。t C. mustn39。t D. shouldn39。t should keep quiet in the cinema. We ________ speak loudly. A. can B. must C. needn39。t D. mustn39。t 25.—Ja is sleeping at home. —She _______ be. I went for a walk with her just now. A. can39。t B. mustn39。t C. needn39。t D. won3