what's being done to the clavichord

what's being done to the clavichord what is being done to the clavichord?翻译哈 What happened to the clavichord? What damages are being done to the environment?我自己查到的有白色污染、河 ___be done to stop the river from being polluted .A.what do What\'s to be done? To be done being done to being done 与 being done 区别 新概念2的第十课的提问What happened to the clavichord?怎么回答 to be done还是being done? what has the man done to help? what's done is done