When she saw her son liked reading, she did all she could ______ him.
—How far can you run without stopping?—_________. I’ve never tried.
A serious study of physics is impossible ________ some knowledge of mathematics.
—I’m afraid you have the wrong number.—Sorry! ________.
________ you said at the meeting describes a bright future for the company.
It remains to be seen ________ the newly formed committee’s policy can be put into practice.