I _______ the dance performance many times, each giving me a new understanding．

       A．watch       B．watched    C．have watched   D．am watching

I _______ the dance performance many times, each giving me a new understanding．

I _______ the dance performance many times, each giving me a new understanding．

1. A.
   watch
2. B.
   watched
3. C.
   have watched
4. D.
   am watching