I didnt know his telephone number. ____ it， I ____ then.
举一反三
- 中国大学MOOC: If I (know) his telephone number, I would tell you.
- "I ______ his telephone number." "I have his number, but I ______ bring my phone book." A: forget, forget to B: forgot, forgot to C: forget, forgot to D: forgot, forget to
- The trouble is ______ I have lost his telephone number. (what, that)
- If I know his number, I would phone him.
- If I knew his telephone number, I_____ tell you.