. — Flight 551 for Dalas ______. I must be off now.
— Have a pleasant trip then.

--- Do you know where David is ?
--- He was injured in the accident yesterday and ______ in the hospital.

If I _______ you, I would go with him to the party.

. —We’re going to Paris for Sylvia’s birthday. But it’s a secret.
—Is it? OK, I________ her.

Why don’t you put the meat in the fridge? It will_______fresh for several days.

._________alone in the large house, the little boy had to learn to survive by himself.

I suppose by the time I come back in ten years' time all these old houses_______down.

If you _____ the meeting place in greater detail, I _____ so much time looking for it.

We all feel puzzled why the students _____ the same mistakes repeatedly in exams.

---Remember the first time we met, Mary?
---Sure．You ______ in the supermarket．