The temperature in this mountainous area ___ from day to day. 
#73564
A
ranges
B
exchanges
C
varies
D
transforms
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The death of her dog made her sad, and it took a long time to    it.
#77988
A
put off
B
get down
C
get over
D
come across
Hardly could he         this amount of work in such a short time.
#65582
A
get down
B
get off
C
get through
D
get into