I ____ understand the homework, it was so difficult.
were not able to
can't
couldn't
Lucy ___ make it to our meeting. She's stuck in traffic at the moment.
wasn't able to
couldn't
can't
When the car broke down, I ____ fix it so I was pleased.
was able to
could
can
Unfortunately, I really ___ sing at all! No one in my family can sing either.
can't
wasn't able to
couldn't
He ___ play golf really well when he was only 10.
were able to
could
can
I searched for your house for a long time. In the end, I ____ find it.
was able to
can
could
He ____ arrive at the party on time, even after missing the train, so he was happy.
can
was able to
could
I ___ open this window. I think it's stuck.
couldn't
wasn't able to
can't
He's amazing. He ___ speak 5 languages including Chinese.
can
could
were able to
___ you swim when you were 10?
was able to
can
could
We ___ get to the meeting on time yesterday.
was not able to
can't
couldn't
James ___ speak Japanese when he lived in Japan, but now that he lives in China, he forgot most of it.
can
could
were able to
Last month my grandmother ____ even use a computer, but now she is able to use it well.
were not able to
can't
couldn't
I ____ drive a car until I was 34, then I moved to countryside so I had to learn.
couldn't
can't
were not able to
I read the book 3 times but I ____ understand it.
couldn't
were not able to
can't
She ___ play the piano. She never learned.
can't
couldn't
wasn't able to
I ____ lift this box, it's too heavy for me. Please help me!
can't
wasn't able to
couldn't
John ___ play tennis really well.
were able to
could
can
She's 7 years old but she ____ read yet. She needs extra lessons.
couldn't
can't
wasn't able to
I looked everywhere for my glasses but I _____ find them anywhere.
couldn't
were not able to
can't