he___ be in the classroom,i think.no,he ___ be in the classroom.i saw him go home a miute ago.,A.can;may not B.must ;may not C.may;can`t D.may;mustn`t请问应该选哪个,为什么?

Next term he___(be)in high schoo I think he___(be)back in a week. he___(go)swimming in the river every day in summer. He said he___(be) to the Great Wall. 怎么填? Lost in the forest ,he___ ___(感到没有希望了) 用所给词的形式填空：Where's your father?I___[not be]in the room .He___[wash]his car. I think he___(be)back in a week.中可以填should be可不可以 He has been in the next room.---Sorry,I thought that he___ in Shanghai---He has been in the next room.---Sorry,I thought that he___ in ShanghaiA.was B.is C.will be D.has been为神马选A呢,has been in的意思不是“一直在某地”吗? when henry was young,he___(be interested in)painting为什么答案是is interested in？ He has a quick lunch in the office.He___ lunch ___ in the office. Li Ming ____(be) a student.He___(study)in our school. Peter___(be) to europe for three times ,because he___(work) in a travel agency Tell him to wait for me if he___(be) not in a hurry. 适当的时态填空This ___(be)the way he___(brush)his teeth. 好的加201,please don't____(sit)on the floor 2,he wishes he____(can)be a singer 3,it’s the ___(good)time to be in china 4,he ____(be)born in America,But be livesin china.5,what presnt did jack____(get) 6,All day long he___(sit)in the field an wai By the time he was fourteen,he___ what he wanted to be when he___ upA.knew;grows B.knew;grewC.had known D.has known;grows how can he___ the new district?A get to B arriving in C arrive 把所给动词适当改变形式用来完成句子!急.1.Mrs Li______(teach)us Maths.She______(be)nice to us.2.It______(take)the boy two hours to do his homework every evening.3.Our teacher often_______(explain)some difficult problems cleary in clas