—The stuntman is planning to walk on the wings of a flying plane.—What?! I've never heard of idea before.
He may come,but I'm not sure ______ that.
I love music,so I'm going to learn how to ______ the piano this term.
The cake tastes ______. Can I have another one?
I need ______.
It’s dark in the room. Why not ______ the light?