Check your answers.
01. least 02. front 03. out 04. what 05. of 06. there 07. them 08. by 09. ones 10. off 11. on 12. it 13. on 14. times 15. down
01. least
02. front
03. out
04. what
05. of
06. there
07. them
08. by
09. ones
10. off
11. on
12. it
13. on
14. times
15. down
©English Teaching Systems February 2005