what are the students doing? some ______ books and the others _____ at the blackboard.选哪个,为什么

are后为什么能跟the,例：what (are the) student doing,我语法不太好 ---are the student talking----?回答：a policeman.A.what with B.who to C.what at the student are at school What are some of the personality traits of a successful student at university? what are the student going to do on earth day 怎么回答. What is the student's problems?改错 the student are 什么on sunday There are some () between the two student The first one :you are student What are the qualities of a good student?不是要的翻译，把你认为的答案说出来！ (1)What are they taking___________ Thesoccer match(2)Who is the teacher talking __________?Tom,one of his student there are over forty student in the room改成there are ()() forty student in the room the student are learning lesson five now the student are learning()()()now填空 What colour are the What are the students What are the students what are the 同义句are you the top student at school?are you ()()student at school?