--Do you mind if I sit here?
--    . It’s for Mr. Brown.

--- It is said that Mary’s father is very rich .
--- ___________ She wouldn’t accept his help even if it were offered

--- Thank you for the flowers
--- _______ . I thought they might cheer you up .

---We could invite John and Barbara to the Friday night party.
---Yes,    ? I’ll give them a call right now.

---I think maths is playing a more important part in the new test system. What about you?    --- ______. We should be more devoted to it.

—I heard you won the first prize in the National English Speech Contest, Congratulations！
—        .

—Should I lock the lab before I go home?
—_    _．I'll check it myself later．

—I am going to travel to America．Would you consider telling me about your experiences there?
—__．Let's discuss it over dinner．

~You have helped me a lot. I can’t thank you enough.
--- ____