Though the long-distance runner ______ his previous record last month, his trainer let him ______  its speed as he went around the curve.．

At times ,worrying is a normal, ________response to a difficult event or situation—a loved one being injured in an accident , for example.

—How did your interview go? —I couldn't feel ________ about it！The questions were very fair，and I seemed to find an answer for all of them.

The girl looked at me with a _______expression. Maybe the problem was quite _________.

______ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.