she must go to the library at a quarter past one“she must go to the library at a quarter past one”这句话是我在新概念的英语书上看到的但是我感觉有点不对那个go 是不是应该变成goes因为是第三人称单数,动词

when must she go to the school?请问这里的go to the school.the在这里不加行吗?when must she go to school When must she go to the library?句中为什么不用goes? she must go to the baker`s to get some cakes.其中get前面为什么要加to they/need/food/Sunday lunch?(What...)这道题怎么写?例子：Karen/to the supermarket?(Where...)A:Must Karen go to the supermarket?B:Yes,she must.A:Where must Karen go?B:To the supermarket. I must go to the baker’s We must go to the cinema we must go to the cinema now 用所给动词填空how---(do)tom go to school every day?mary---(go)to work by bus.there---(be)always three lights in every country.you must---(remember)the traffic rules.can she---(go)on foot?what time do your---(parent)go to work?how can l---(get) Does she have to go to the doctor?yes,she does/must否定No,she doesn't/needn't用哪个? We must be l------- to the school She wants to go to the pictures. Alice______to go back to the table because she ____ her key on itA.must;forgotB.must ;leftC.had;forgotD.had;left will she go to the party? She often _____(go) to the park. she wanted to go into the l must be to work和l must to work 哪个对,为什么加be还有l must go to work The light is out in her room.she to bed A.must have gone B.had gone C.must be going D.must go答案是选A的,为什么,我不懂.这个是考 have gone to的用法? 用must,must not ,should ,shouldn‘t填空1.He is very tired .He go to bed early2.She is too fat .She eat too much3.She works all night .She go shopping4.He is very busy .He go to the party5.We throw litter about.6.You wash your handa before meals