—You look so young. Haven’t you graduated from university?—Yes, I ______ in the English Department of Shandong University for four years.
I can''t think he ____ tell me a lie .
He ____ have the ticket if I buy it .
This car looks like mine , yet it isn''t . Whose ____ .
The work ____ be finished in such a short time .
— You ought to have called her yesterday . — Yes , I know I ____ .