73.When Laura finally arrived, she apologized_____so late.

38._____mountains and rivers, the foreigners finally covered the whole route of the Long March.

37.I had no desire______the man make a fool of himself.

36.I'm going to get my letters______up tomorrow afternoon if I can finish writing them today.

35.When they entered the room, they found the windows open and something______.

34.The headmaster,______early retirement last year because of his bad health,was invited to the opening ceremony of the art festival.

33._____over a week ago, the goods haven't arrived so far.

32.I have to leave now, so I can't help_____the house.

31.I have as much fun planting flowers as I now do_____with students.

30.Vegetables______,the next thing is to cut the carrot into pieces.

29.He persuades me_____part in the English competition.