He ____ be in the restaurant.His car is just outside it!can ,can not,must ,must not答案是can not,为什么,我认为是must：他一定在饭店内,他的车就在外面!（答案也有可能错误）

Where is Tony?He ____ in the library.A.are B.be C.must be ____ friend of his will come. We're wondering how old ____ man he might be.A. The; a B. The; C. A; a D. A; theWhy C? Most little girls love to ____ in their mother's clothes and pretend to be grown up.I'm sure my keys are in the house .If we just keep looking,they're sure to ____!I'm sorry,but you just missed john,He ____ for the airport about an hour ago.必修3 She ____ ____ ____ her son because he failed in the exambe mad at （be动词改成什么.） can't 和 mustn't.1、-The sports shoes must be Linda's.-No,they ______ be .They're too small for her.2、-Who's the man over there?Is it Mr.Black?-It ____ be him .He's much taller.3、-Listen!Helen is singing in the next room.-It _____ be Helen.She My brother ___(join) the army when he ___ (be) 20 and he ____(be) in it for 5 years He often takes ____(photo) in the park .This is one of them .They,re teachers.She is one of my best ____(friend).我还只初三, Tom thought there must be someone ____(come) in the classroom after he left.填什么? he wants to be a famous ____ (poem) in the future 填空 He is ____(suit) boy to be the chairperson in our class Jack ____ be in the library.He is in the classroom.A.mustn't B.can't 选什么呢? We‘re in the same class.否定句,句意不变 we're ____ in _____ ____. they're from every country in the world they'rthey're from every country in the worldthey're from ____ ____ .the..world He might be ____ (run) ____ (catch) the bus. He is ____ in the bedroom? There 're only one factory in the village.对only one 部分提问 ____ ____ ____ ____ ____in the villag He ____ not be in the room.I saw him on the playground just now. 用情态动词填空, He ____ very hard in the ____(study).