We have every reason to believe that ______ 2010 World Expo in Shanghai will be ______ success.
. He spoke very slowly, but he still didn’t get his meaning _______.
. ----I’m going downtown. ----Come on, _______.
. This bag is twice ______ weight of that one. You’d better carry ______ lighter one of the two.
. A clean environment can help the city bid for the Olympics, which ______ will promote its economic development.
. ―May I take your order now? ―_________ ―OK, I’ll come back in a few minutes.