题目内容：
He is busy _____ his suitcase.
A．pack B．to pack
C．packing
D．packed
参考答案：
答案解析：
单选题：He is busy _____ his suitcase.
- 题目分类：英语
- 题目类型：单选题
- 查看权限：VIP
B．to pack
C．packing
D．packed
B．to pack
C．packing
D．packed
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惊悚恐怖片是近年来青年电影创作______最多的题材之一，但整体质量不高。这些电影，除了技巧上的问题外，主要是题材的狭窄和想象力的______：没完没了的“午夜
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