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

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

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

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

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

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

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

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

9. She wrote a hundred letters to the company

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