The room _____ as a laboratory for nearly two years till now.

题目类型: 单选题

题目内容

The room _____ as a laboratory for nearly two years till now.

题目选项

A. is used
B. was used
C. has been used
D. had been used

正确答案

C

题目解析

本题考查时态。句意:这个房间迄今为止已被当作实验室将近两年。从时间状语"for nearly two years till now"可知,句子的动作一直持续到现在,并且有可能继续下去,因此应该用现在完成时。

题目纠错