第1个回答 2010-04-25
it is a good chance that you can't miss it
加that表示从句，去掉也可以本回答被提问者采纳
第2个回答 2010-04-25
This is a wonderful chance and we shall not miss it.
It is a good chance that we shall not miss it.
第3个回答 2010-04-25
It is such a good chance that it shouldn't be missed.