动火工作票签发人不准兼任该项工作的工作负责人。动火工作票由动火工作负责人填写。动火工作票的审批人、消防监护人不准签发动火工作票。()
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