27. Hurry up! It's_____________(差不多) time for school.

26. The road is_________(全) covered with snow.

25. My parents bought three _________________ (空调机).

24. Birds fly in the _____________ (空中).

23. The engineer _________ ____________ (同意) the worker.

22. The engineer _________ ____________ (同意) the worker’s idea.

21. A short while __________(之前), my sister helped me to carry one of my old bookcases up the stairs.

20. I haven't seen her for a______________ (很长时间).

19. Please put the ladder _____________(靠在) the wall.

18. The singer sang the song _________ ________ ____________(一遍又一遍).