Use your head, ________ you’ll work out the problem.
I found him sitting in his chair, completely ________ a magazine.
When _______ different cultures, we often pay attention only to the differences without noticing the many similarities.
She and her roommate silently warred over matters _______ from when the lights should be turned off to how the furniture should be arranged.
The singer is always very ______ to the reaction of the audience when she gives a performance.
---Who do you think is to blame for the boy’s behavior, Mary or her parents?--- We all think it is Mary as well as her parents that ______ for their son’s bad performance at school.