— Have you finished your composition already?— Yes. I ______ it in twenty minutes.  

--David, are you 1istening to me?---Sorry, Dad. I _______ to make sense of what the reporter said. 

 His silence suggested that he_______the truth already.

―Twenty dollars, please!― How terrible!―I ________ to bring my wallet with me.

 He will have learned English for eight years by the time he _______ from the university next year．