He asked who was the man ____ on. [ ]A. to be operating B. operating C. to operate D. being operated

题目简介

He asked who was the man ____ on. [ ]A. to be operating B. operating C. to operate D. being operated

题目详情

He asked who was the man ____ on.

[     ]

A. to be operating
B. operating
C. to operate
D. being operated
题型:单选题难度:中档来源:同步题

答案

D

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