Grammar in Context Review Lesson - Cengage

You haven’t broken the mirror. We haven’t been studying for two hours. He cannot study. You shouldn’t go. He is tired. I am afraid. He was absent. I work. He works. I worked. I ate. I fell. I studied. I am going to study. I will study. He is sleeping. He was sleeping. You have broken the mirror. We have been studying for two hours. He can ... ................
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