中国大学MOOC: I dont know where to stay when I arrive in the United States. I have never been to ______.
举一反三
- I don't know where to stay when I arrive in the United States. I have never been to ______. A: the United States B: the country C: 无选项 D: 无选项
- 中国大学MOOC: I dont have to introduce him to you _____ you know the boy.
- 中国大学MOOC: I dont know when he ____. When he ____ here, Ill call you in a minute.
- 中国大学MOOC: A: I know it is a deer but it a horse.B: I dont think so.
- I have been living in the United States for twenty years, but seldom ______ so lonely as now. ( ). A: had I felt B: I had felt C: have I felt D: I have felt