Don’t talk round the question; come             to the point.

Traffic is bad, ______ in the city center during the rush hours.

27．My uncle’s house in the downtown area is much smaller than ours , but it is twice _______ expensive . 

Mr. Bryan is a/an _______ secretary in our office, for he is able to do tasks successfully, without wasting time or energy.

I can’t believe that there are _____ many poor people in ____ a rich country.