句型转换。

1. Mr Hu taught her math last year.(改为一般疑问句) 

   _________Mr Hu_________her math last year?

2. His friend posted the photos yesterday.(改为否定句)    

'His friend_________  _________the photos yesterday.

3. Tom often goes skating on Sundays in winter.(改为一般疑问句)    

_________Tom often_________skatig on Sundays in winter?

4. She doesn't wash her clothes on Sunday.(把"on Sunday"改成"last Sunday")    

She_________  _________her clothes last Sunday.

5. —Were there any actors at the aquarium?(作否定回答)  

    —No,_________  _________ .