连词成句 5%
（1）this , ball, is, pen , new(.)                                 
（2）I , this, his, toy , think, panda, is(.)                                 
（3）you, have, that, short, one, can (.)                                 
（4）what, in, your, that, is, desk(?)                                 
（5）nine, are, running, on, dogs, the, sofa(.)