Chinese President Xi Jinping appeared at the Sochi Olympic opening ceremony, ______ China’s strong support for the Olympics and Russia’s efforts to host the Games.
Wasn’t it Dr Wang who spoke to you just now? — ____.
— I wonder if I could use your mobile phone. — ____.
--- Why not go and have dinner in a restaurant? --- _________. It’s too expensive.
Some people are against the plan but _______ support it.
--- Can you climb that tree, my boy? --- __________ ?