Rather than ____________ on a crowded bus, he always prefers ______________ home.
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 _____.