Dr Wang,Mr Li and Mr Chen were talking so （h )and excitedly

Dr Wang,Mr Li and Mr Chen were talking so （h )and excitedly that did not know the
(t )was going to leave .Then the guard called (l ),"The train is going to leave .Hurry up,please."The three men (h )the guard and two of them jumped (o )the train quickly (b )it moved.One was left (b ).It was Dr Wang .He looked very sad.The guard came to him and said,"Don't feel sad.The next train will come (i )ten minutes."