Complete the answers to the questions.
Can Tom play the piano? I’ve never heard ***. (-ing)
Did anybody go out? I don’t know. I didn’t see anybody go out.
Has Jill arrived yet? Yes, I think I heard her arrive.
How do you know I took the money? I know because I saw you take it. (take)
Did the doorbell ring? I’m not sure. I didn’t hear it ring.
Can Tom play the piano? I’ve never heard him playing. (-ing)
Did I lock the door when I went out? Yes, you did. I saw you lock it. (lock)
How did the woman fall in the river? I don’t know. I didn’t see her fall.