He helped me a lot with my English learning,       was very kind of him.

Mo Yan was awarded the Nobel Prize for Literature in 2012, __made one of the Chinese people’s long-held dreams come true.

The teacher doesn’t believe his reason for being absent from class ___ he was ill, ____mad him sad.

Now everyone is concerned about how to conquer the economic crisis, __________is very important for us to preserve our standard of living．

 ________ is known to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.