The new teller could not ______ how to use her calculator until the boss explained.
A:amount to
B:figure out
C:add up to
D:consult from
A:excessively 过分地,极度
B:expensively
C:effectively
D:efficiently 高效的
They spend all their spare time, _________ their spare money, on their experiments.
A:as soon as
B:as well as
C:as long as
D:as much as