题目内容：
The workers are busy ____models for the exhibition.A、to make
B、with making
C、being making
D、making
参考答案：
选择题：The workers are busy ____models for the exhibition
- 题目分类：阜阳师范大学-汉语言文学
- 题目类型：选择题
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A、to make
B、with making
C、being making
D、making