句型转换（每空一词）。
1. I have to help my parents at home on Saturday.（改为否定句）
I my parents at home on Saturday.
2. I have to study for my English test. (改为一般疑问句)
have to study for your English test?
3. you, help , me , can, clean, room, the(连词成句)
?
4. Thank you for your help. (改为同义句)
your help.
5. Can you come to my party? (作否定回答)
, 。
