My friend showed me round the town, ______ was very kind of him. 

_____________ is a fact that English is accepted as an international language. 

The confidence of the Chinese film makers _______by Avatar, the release of______ has not only set a good example for the Chinese film industry but also embarrassed our directors, who lack professional ethics. 

— Although she sometimes loses her temper, her students like her no less. — That’s it. _____ , she is really a good teacher.

--- It shouldn’t take long to clear up after the party if we all volunteer to help. --- That’s right. _____________.