The Browns usually drive to the park on Sundays. But today they go to the park_____ foot.
Nancy _____ playing the piano at 7pm. yesterday.
The Great Wall of China is ______wall in the world.
_____ is not difficult to learn English well.
We can still do the work better with_____ time and______people.
-Shelly, it’s cold today!_______put on more clothes? -Ok.