My leg hurts.(改为同义句) I ---- a ----- ------.

My leg hurts.(改为同义句) I ---- a ----- ------.
You should see a doctor.(写出同义句）
_____ _____ see a doctor?
You should (try to relax).(对括号部分提问）
What______I______?
I don't know what Ishould do.(改为简单句）
I don't know what______ _______.
答案：
1.have broken leg
2.You'd better
3.should do
4.to do

i have a broken leg.do you need to.should do.to do.

you ought to see a doctor.
what should i do
i don't know what to do