托业考试

根据网考网考试中心的统计分析，以下试题在2019/9/22日托业考试习题练习中，答错率较高，为：55%
【单选题】 This region ______as the costliest place to do business.
A．(A) often is referred
B．(B) is often referred
C．(C) is referred often to
D．(D) is often referred to

网考网参考答案：D，答错率：55%
网考网试题解析：
Adverbs of indefinite frequency can appear between the auxiliary and the main verb. Choices (A), (B), and (C) are not appropriate positions for indefinite frequency adverbs. 查看试题解析出处>>