Many Americans live on credit, and their quality of life is measured _________ how much they can borrow, not how much they can earn.
#25537
A
on top of
B
in case of
C
in terms of
D
regardless of
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Research universities have to keep up with the latest computer and scientific hardware __________ price. 
#27260
A
on account of
B
in addition to
C
regardless of
D
not to mention
She was __ after the long walk.
#28058
A
out of breathe
B
breatelessly
C
out of breath
D
having no breath