Do you know the saying"When the cat is away,the m_ will play"?The magazine Reader sells _(good).

Do you know the saying"When the cat is away,the m_ will play"?
The magazine Reader sells _(good).

mouse
well

mice (When the cat is away,the mice will play. 山中无老虎，猴子称霸王)
well ( sell well 销路好, 修饰动词,用副词)