in the study lost in thought for a long time, I suddenly realized that nothing in the world remains     .

34. Catherine used to _____ much at lunchtime, but recently, in order to have a good figure, she has got used to ____ less at noon..

32. Unless ____ regularly, the plants will not ____ in early spring.

27. The experiment, _____ to test the theory, will be carried out tomorrow.
A. intending     B. intended      C. to intend    D, having intended

12. He sat at the desk ,________a novel.

25. The old picture will keep me ____________ of the old days I spent together with her in that village.

24._______ herself beautifully, the girl tried to make herself _______ at the party.

36. On Christmas Day people walk about in the street _____ their best.

34. With online course Crazy English has over 20 million students all over China _____the class through the Internet.

22. The town has changed a lot _____ what it was before.