17. Ouch! I _ my thumb!a) have cut b) am to

17. Ouch! I _ my thumb!
a) have cut
b) am to cut
c) had cut
d) had been cut
18. I _ the flowers yesterday morning.
a) have been watering
b) watered
c) have watered
d) did watered
19. As soon as you _ that, I'd like you to go bed.
a) did
b) will do
c) will have done
d) have done