---Sorry, I forgot to post the letter for you．

---Never mind．________ it myself tonight．

--“Would you like to have this one or that one?”

--“________ will do．”

---The man in charge knew nothing about the design and all his assistants had never done any designing work before .

---Oh, I'm afraid it ______ a success.

---All the skaters on the lake ______ that the ice might be too thin.

---Yes, you see, spring is coming and it's getting warmer.

---What about going to that expensive restaurant for a meal?

---________, but I’m afraid ________．

---When did the concert ______?

---Well, two or three years ago.

---Would it bother you if I talk to you for a minute?

---______.

---The dustbins ______ for three weeks．

---In fact, they ______ once a week．

---Where is Helen?

---She ______ America for a week.