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hear(1) 1 1. I never hear(1)d Helen speak Chinese. 2. I have never hear(1)d my roommate Helen speak Chinese. 3. I have never hear(1)d my roommate Helen, who moved to Taiwan two years ago, speak Chinese. 4. I have never hear(1)d my roommate Helen, who moved to Taiwan two years ago form the US, speak Chinese. 5. I have never hear(1)d my roommate Helen, who moved to Taiwan two years ago from the US, speak Chinese in public. |
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