shift

definition: 
a change in position or direction
sentence: 
Earthquakes are caused by shifting layers of earth along faults.
A shift to a less processed diet, and a greater reliance on foods direct from nature and home-cooked meals, will benefit health.
difficulty: 
very easy
toefl frequency: 
3
toefl classification: 
adverb: 
shiftly
adjective: 
shifting
adverb sentence: 
adjective sentence: 
verb: 
shift
verb sentence: 
noun: 
shift
noun sentence: