He is a teacher____a scientist.A.too B.as well as C.also D.either为什么选B

He is a teacher____a scientist.A.too B.as well as C.also D.either为什么选B I have heard about the teacher____A.robB.robbedC.robbingD.being robbed我选的是D但答案是B 求详解It is one thing to accuse a person of a certain crime,but____A.proving it is difficultB.how to prove is diffcultC.it is hard to proveD.to prove ()is he?He is a doctortyhfggfgfgdf He is a doctor he is a HE IS A GAY He is a short he is a little He is a boy he is a simple he is a foolish he is a tall he is a dream he is a girl He is a bear He is not a teacher,is he?A.Yes,he is B.No he is not. He is a student,isn't he?He is a student,is not he?哪一个正确 He is a student,isn't he?He is a student,is not he?哪一个正确