I have often seen him ( ) upon the moon and stars for hours. Why do you think he is doing that?
举一反三
- Why do I have to break the news to him? I don't feel like it. A: do B: does C: did D: doing
- Would he have seen you if you hadn't _______ to him?
- — I think I saw John yesterday. A: You _____ him, for he is now in the U.S. B: can't see C: can't have seen D: may not see E: must not see
- 59（） A: how long do you think that B: international communications C: I cannot see you frequently D: after you finish your degree E: how often do you see me F: I have not seen you in a while G: Learn something important H: So where have you been
- -- What do you often have for breakfast? -- I often have __________ or ___________.