Question

【题目】We completed the work five days_ time.

A. in B. in the front of C. on D. ahead of

Answer 1

【答案】D

【解析】句意：我们提前五天的时间完成了这项工作。A. In在……里面；B. in the front of在……前面；C. On在……上；D. ahead of提前。根据题意，故选D。