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   can      can't      could      couldn't   
I watch the movie last night. My TV was broken.
I open the door last night, the key was stuck in it!
you hear that storm yesterday?
I enjoyed my trip to Paris because I speak a little French.
you speak Russian when you went to the university in Moscow or did you learn later?
I borrow your phone for two seconds? Thanks.
Both my sisters dance ballet really well. I think they'll be famous!
I see that he's shouting something, but I hear what he's saying at all.