—Send me an e­mail when you are free, will you?—________.

“I      her a long time ago,” he doubted, “She doesn’t look at all familiar.”

We ________the difficulty together, but why didn’t you tell me?

---Thank you for inviting us.Tell your wife that she gave us a perfect party.---I______. See you later.

—Tom graduated from college at a very young age.—Oh,he__________have been a very smart boy then.