—Is there anything wrong, Bob? You look sad.—Oh, nothing much. In fact, I __________ of my friends back home.
. --------What do you think of the book I lent you yesterday? --------Oh, not too bad. It’s not too difficult_________.
. It is no longer _________it was 20 years ago, ________it was so poorly equipped.
. We’re looking forward to _______a chance to watch the opening ceremony of the London 2012 Olympic Games.
. --------Have you asked somebody to repair the machine? --------Oh, sorry, I forgot it. I _________for an engineer at once.
. Do you think it is ____ good manners to hear others’ conversations in _____curious manner?