1. When he was a boy, he used to go there and watch _____.

   A. to repair bicycles     

   B. bicycles to be repaired

 ¡¡C. bicycles being repaired 

   D. repairing bicycles

2. --- Have you considered _____ your job as a teacher?

¡¡ --- Yes. I like the job because a teacher is often considered _____ a gardener.

¡¡  A. to change; to be          B. to change; being

¡¡  C. changing; being           D. changing; to be

3. The dog, _____, will be made a good watchdog.

 ¡¡A. to train properly     

   B. being trained properly  

   C. properly to train     

   D. trained properly