4.What we expect from you is working hard hardly working.

66.more time, the scientists will be able to work out a good solution to the problem.

65.I couldn＇ t understand why he pretendedin the garden.

64.Any student in swimming can apply for membership.

63.It is as important to respect others asby others.

62.I prefer walking.

61.If the building project by the end of this month is delayed, the construction company will befined.

60.Henry＇s remarks left meabout his real purpose.

59.No one can preventby modem technology.

58.When the education systems of China and Britain, the professor gave his own comment.

57.from space, our earth, with water covering 70% of its surface, appears to be a ublue planetn.