﹣Why are the windows so dirty?﹣Because we __________ them for a long time.A. have cleaned B. haven’t cleaned C. didn’t clean
The old man lives ____ in a _____ house, but he doesn’t feel_____.
______Lei Feng is no longer living, his spirit lives on today.
-______ he______ at this school last term? -Yes, I think so.
Timmy goes to school __________ every day . It’s 5 minutes’ walk from his home to school .
-Why not go to see the dolphin show with me? -Because I _______ it.