Look out! Don’t get close to the house, ______ the roof is under repair．

You are saying that everying should be equal, and this is _____ I agree.

   in today’s newspaper is that the American young man has won eight gold medals in the Beijing Olympic Games.

You may have one of these；in other words，you have        you choose．

I often think of the years ____ I worked with the foreigners, ____ has had a great effect on my later life.