-Who is singging in the classroom?-It ( ) Jim,but I am not sure.A.should be B.may be急,说明理由

-Who is singging in the classroom?-It ( ) Jim,but I am not sure.A.should be B.may be急,说明理由 who birthday is in july who is he in days? who is in UK now _____birthday is in October?填who ,whose ,还是who is 请问Who is it who lives in that big house? 翻译who is seeing who in the celebrity world. Who is the first man in space? that,the,tree,who,boy,in,is(?) the,doctor,who,the,in,is,study? who is the girl in red Who is that in the room? ( ) who is the fucking asshole in China? that, the, tree, who, boy, in, is, Who is the man in a u who is that girl in a red() who is the lady in white? who is the tallest in the group?