______important work she is doing!hard they are ______working______great fun they had last night!______hard they are working filed!____well the girl plays the piano!用What和How填空,
问题描述：
______important work she is doing!hard they are ______working
______great fun they had last night!
______hard they are working filed!
____well the girl plays the piano!
用What和How填空,
答