—This wall of air is an effective answer to the problem and it ____ work. —But it is a question to put such a wall of air around the statue.
—I didn’t do well in the last English test.How about you? —_______.
This is an illness that can result in total blindness if_______.
The dying old man opened his mouth as if_______something.
—Why do you want the book so much? —_______, sir.
—I hate talking with that guy. Look, he is coming. What should I do? —Don’t speak until_______.