13. The streets are all flooded. It .....................for days!
O a. has rained
b. rained
c. has been raining
Dorrea
14. I...........
five emails today. *
a. have been writing
O
b. have written
C. wrote
15. I really need a break. I .....
all morning.
a. revised
O b. have revised
O c. have been revising​