—______my baseball?— It’s under the chair.
【2013四川遂宁】―Must I return the book this week? ― No, you . You can it for 20 days. A. mustn’t, keep B. needn’t, borrow C. needn’t, keep
【2013浙江舟山、嘉兴】Drivers ________ wear seat belts while theircars are running on the road.
【2013江苏徐州】—Can I borrow your ruler,please? —Yes,you . But you must return it to me before lunchtime.
【2013福建泉州】— Have you decided where to go for your summer vacation? —Not yet. We _______go toQingdao. It's a good place for vacation. A. may B. need C. must
【2013山东莱芜】Students in our school ________ know shouting is not allowed in the library.