3. —I cannot find Tom anywhere. —He _____ have been off long. I heard him make a call just now.
举一反三
- — I cannot find Tom anywhere.— He _________ have been off long. I heard him make a call just now. A: shouldn't B: can't C: mustn't D: needn't
- I saw him just now. (改疑问句)_____ you _____ him just now?
- I have to make a phone call now. Please make at home.
- I can't find him anywhere! If I ______ him now, I would be very happy. A: saw B: see C: would see D: seeing
- I heard from him up to now. A: have not B: did not C: has not