five
o'clock
But he also felt the pitiful truth , `` I have n't got a ghost of a chance . '' He rose as soon as he could muster the courage . `` I must get back and help Schwartz open up , '' he said , looking round forlornly . `` It 's five o'clock . '' `` You must stay to coffee , '' insisted Mrs. Brauner . It should have been served before , but Mr. Feuerstein 's exhibition had delayed it . `` No -- I must work , '' he replied .