I _____ do homework when I got homework because the lights were out.
could
had
couldn't
didn't have to
I _____ speak English when I was a kid. I started learning at 11.
could
couldn't
didn't have to
had to
I _____ to study harder to pass the exam this time.
had
couldn't
could
didn't have
When he was ten, he _____ ride a bike.
had to
didn't have to
couldn't
could
I _____ to wait in line for 10 minutes before I got in.
couldn't
could
didn't have
had
The students _____ get good grades in the test to get the certificates.
could
had to
couldn't
didn't have to
He _____ make things disappear because he wasn't a good magician.
had to
didn't have to
could
couldn't
We _____ play outside because itwas raining.
didn't have to
could
couldn't
had to
I _____ pay for the tickets. They were free!
couldn't
had to
didn't have to
could
My parents _____ take photos in the trip because they had forgotten their camera.
couldn't
could
didn't have to
had to