--How about buying Tim a mobile phone ? After all, he isn’t a boy any more. --I think it’s necessary, for we sometimes want to make sure if he ____ for dinner.
Keep up good state of mind even if you _____ fail plenty of times.
— Are you coming to Jeff’s party? — I’m not sure. I _____ go to the concert instead.
— Mary’s got mad and has been sent to the mental hospital. Did you tell her boss about that? — Yes, but I _____ her husband first.
My English-Chinese dictionary has disappeared. Who _____ have taken it?
I should very much like to have gone to the party but I _________.