间接引语疑问句怎么改【急】

1.He asked me if you could do me a favor.
2.He asked me if there was anything wrong with mt heart.
3.He asked me if you would join us or stay behind.
1.He asked me which one was yours.
2.He asked me what that day was.
3.He asked me what the matter was/was wrong with you.
4.He asked me which firm you worked for.
5.He asked me which one you preferred.
将直接引用句改成间接引用句：
today-that day
here-there
yesterday-the previous day
tomorrow-next day
tonight-that night
next week- in the following week
this-that
these-those
全要变换.