同义句转换.

问题描述:

同义句转换.
We think that it's important for us to learn English well.
We think ____ ____ ____ ____ English well.
I don't know ____ they are standing there ____.
Jim said:"The fastest way to travel is by plane."
Jim said ____ the fastest way to travel ____ by plane.

we think it important for us to learn English well
I don'tknow what ther are standing for.
Jim said that the fastest way to travel was by plane