题目内容：
5.Steve opened his mouth_______，but stopped talking even before he had started.A.speaking B.so as to speak C.speak
D. as if to speak
参考答案：
选择题：5.Steve opened his mouth_______，but stopped talkin
- 题目分类：大学英语1
- 题目类型：选择题
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A.speaking B.so as to speak C.speak
D. as if to speak