According to Lee, it was Ben’s carelessness that _______ the accident. But Ben _______ his wrong doing.

Once out of the earth’s gravity, the astronaut is        by the problem of weightlessness.

What those businessmen concern about primarily is whether they can ______ as much as possible from the project.

—Do you think that housing price will keep _____ in the years to come?  —Sorry, I have no idea.

The window _________ a beautiful view out over the river.