托业考试

根据网考网考试中心的统计分析，以下试题在2017/9/19日托业考试习题练习中，答错率较高，为：45%
【单选题】The Plunket Society ______ for 50 years by the time it merges with the Child Support Foundation next month.

• (A) will operate
• (B) would operate
• (C) has been operating
• (D) will have operated