I think Pot-bellied pigs are popular.(就画线部分提问)

问题描述:

I think Pot-bellied pigs are popular.(就画线部分提问)
_______ ________ _______ _______ are popular?
The best way of going there is by plane.(改为同义句) The best way _______ _______ _______ is by plane.
Why don’t you get some flowers?(同义句)______ ______ ______ some flowers?

What do you think are popular?
The best way to go there is by plane.
Why not get some flowers?