Dale is studying in_______university and he wants to be______engineer.

I can’t pretend ________ happy when I am not.

Li Feng’s __________ of devotion(奉献) to others will be remembered forever in China.

Were you at home at 7:00 yesterday evening I called you but no one was there. —Sorry, we ___________ a movie at the theatre at that time.

Jack said,“I take _______ both my father and my mother.”