When did they invent the personal computer.用被动语态改写
3个回答

When was the personal computer invented

如果刚接触到被动语态,对疑问句感到困难,那么给你个办法:

第一步:先把问句变成肯定句:They invented the personal computer .

第二步:再把这句变成被动句,记得句首加上特殊疑问词,即得到上面的答案.

是否可以解决您的问题?