I met my old friend ____________ on my way home from school.

A. by chance         B. on accident         C. by sudden     D. on occasion

I met my old friend ____________ on my way home from school

1. A.
   by chance
2. B.
   on accident
3. C.
   by sudden
4. D.
   on occasion

When I met my old friend in my hometown, we talked a lot and jumped from one topic to ________.

A．another　 　　　B．other　　 　　C．the other　　D．others

Yesterday, I met my old friend ________, which gave me a big surprise.

1. A.
   in return
2. B.
   on purpose
3. C.
   by chance
4. D.
   in case