Question

Completa los espacios en blanco con must, should, shouldn’t, or
couldn’t:
a) I'm so thankful for your help with this project. I _________have done it
without you!
b) The repairs I made _________have fixed the problem, but they didn't, so I'll
have to take another look.
c) It _______have rained a lot last night -there are puddles everywhere.
d) I __________have watched that horror movie; it gave me nightmares.
e) We __________have known about this; nobody told us anything about it

Answer 1

A) Couldn’t
B) Should
C) Must
D) Shouldn’t
E) Couldn’t