Question

【题目】It will take us five days to finish the difficult job.

A. at first B. at last

C. at least D. at once

Answer 1

【答案】C

【解析】句意：完成这个困难的工作，将会花费我们至少5天的时间。A. at first 开始； B. at last最后；C. at least至少； D. at once立刻，马上；故选C