________ he got up early, _______ he still missed the early bus.
The world’s population is growing ______ and there is _______ land and water for growing rice.
--- Did you go to the cinema to see 3D The Hobbit last night?--- No, I ________ go to the cinema. The tickets are too expensive.
Chairman Xi Jinping had _______ friendly talk with US President Obama in ______ America last month.
It is a pity that his son was born _______ a weak heart.
-----It’s very nice of you to carry the box for me.-----__________