He made another wonderful discovery, ____ of great importance to science.
The teacher _____ the students how to improve their writing skill since last term.
______I open my mouth, I put my food in it.
The computer system suddenly_____ while he was searching for information on the Internet.
-----How far apart do Tom and Jack live? -----______I know, they live in the same neighborhood.
-----Would you please repeat it? -----Obviously, you _____me.