THE PHONE RANG WHILE MY MOTHER ... DINNER.A. IS COOKINGB. WAS COOK...
15. The phone rang while my mother ... dinner.
a. is cooking
b. was cooking
c. has cooked
d. has been cooked
b
15. The phone rang while my mother ... dinner.
a. is cooking
b. was cooking
c. has cooked
d. has been cooked
b