I enjoy when you help whoever is suffering in the earthquake.
| A．that | B．this | C．it | D．one |
--- Lucy doesn’t seem to be what she was.
--- No．______ so much in the war has made her more thoughtful.
| A．Seen | B．Her seeing | C．Having seen | D．To have seen |
---Thanks for your help, but can you do me one more favor, please？
--- _______, sir．What's it then?
| A．Just a minute | B．It's very nice of you | C．That's all right | D．At your service |
—Why didn’t you go to yesterday’s meeting?
—I would have but I ______too busy working on the important experiment.
| A．had been | B．was | C．were | D．am |
So absorbed_____in her work that she didn’t realize I was behind her.
| A．had she | B．was she | C．she had | D．she was |
—How do you like the glasses?
—This kind of glasses made by experienced workers________ comfortably.
| A．is worn | B．wear | C．wears | D．are worn |