— Do you know in ancient China?— I have no idea. But I know people once used tree leaves to make paper.
I am tired after the long wall. I want to have a _______.
--Where is Grace?--She _____ in the yard.
After practiicng for sevral months, I can swim much ________ now.
-_______ do you go to the English club? Once a week.
Lucy is ____ good girl. She often helps others.