When you talk about a person's _____, you are referring to the country, race, or social class of their parents or ancestors.
—How do you like the play? —_______interesting than expected.
--- Lucy doesn’t seem to be what she was. --- No.______ so much in the war has made her more thoughtful.
---Thanks for your help, but can you do me one more favor, please? --- _______, sir.What's it then?
—Why didn’t you go to yesterday’s meeting? —I would have but I ______too busy working on the important experiment.
So absorbed_____in her work that she didn’t realize I was behind her.