12. When we were young, my grandmother used to .......... us folk tales.

A. tells                B. telling          C. tell            D. told

13. Indians celebrate Independence Day .................. the 15th August

A. at                   B. on                        C. to                      D.in

14. I wish Tom ........... harder for his examination

A. will work         B. worked            C. has worked           D. works

15. My father .......... for the car factory since 1995 

A. has worked                  B. worked                  C. works              D. is working

16. It is very difficult ....(speak)....... English fluently