1. Our country experienced many disasters in ... century.

2. She wrote a hundred letters to the company

3. We enjoyed a walk along ... Avenue in Manhattan.

4. Please come have a conference dinner on ... .

5. My ... old nephew is fun to play with.

6. I think they are expecting ... child now.

7. ... copies of this book have already been published.

8. New independent states appeared in ... after the collapse of the USSR.

9. Twenty-five ... dollars a month is not bad for a visiting scholar to live on in the USA.

10. ... which were supposed to be spent on privatization in Russia have disappeared.