选择题：7. The new ______ didn’t know how to use the syste

题目分类：长春工程学院-大学英语4(专升本)
题目类型：选择题
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题目内容：

7. The new ______ didn’t know how to use the system until I explained it to him yesterday.(本题2.0分)
A、 staff
B、 stuff
C、 stage
D、 stair

参考答案：

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分类：长春工程学院-大学英语4(专升本) 题型：选择题