—Don’t be a slave to work. Ralph! You must take it easy sometimes.—I can’t help it. .
The thief ran away at the _____ of a policeman.
There are usually at least two _____ of looking.
My sister cleans the house from _____ to bottom when she is expecting visitors.
Facing danger, he always _____ calm.
When my sister phoned me, I could not hear clearly what she was _____.