—Sorry, sir. And you'll let me pay to have your jacket cleaned, won't you?—That's all right. Coffee ________ lasting marks on clothing, I'm sure.

 It’s said that the early European playing-cards ______ for education.

Unluckily, when I dropped in , Dr. Smith ____, so we only had time for a few words.

I had been working on math for the whole afternoon and the numbers ________ before my eyes.

—We didn’t find Smith attending the lecture.—No one ___ him about ___ a lecture the following day.