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—I don’t believe we _______ before.
—Well, I saw you once at a party, but we ______ introduced.

— Why, David, you look so tired!
— Well, I ________an article and I must finish it tomorrow.

—Why do you want to work for our company?
—This is the job that I ______for.

Hurry up! The train______. You know it______ at 8:30 am.

Some modern teaching equipment as well as hundreds of computers _______ to ten Hope Schools in South China．

I first met your sister ten years ago, when she ____at a supermarket as a salesgirl.

---Bob has gone to California.
---Oh, can you tell me when he ____?

Experiments of this kind ___in both the U.S and Europe well before the Second World War.

This is his only request that the room ______ after being used.

It’s the third time ________ late for school this week.