题目内容：
Modern machinery _______ been installed in this newly-built factory.(A) have
(B) has
(C) are
(D) is
参考答案：
选择题：Modern machinery _______ been installed in this ne
- 题目分类：郑州工程技术学院-人力资源管理-大学英语(1★)
- 题目类型：选择题
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(A) have
(B) has
(C) are
(D) is