58.If nothing, the ocean will disappear gradually.

82.To our surprise, Jack scored 400 an average of 250 in a recent English competition.

81.PTO stands uPlease turn over the page".

80.The couple are trying hard to save their broken marriagetheir children.

79.I know Mike is slow at understanding, but we should be patient him.

78.Being chased by a dog, Jack jumpedthe fence.

77.A low-carbon lifestyle has an effect our daily life. People are paying more and more attentionsaving energies these days.

76.That is a hot tourist line. You should book the tickets.

75.Mr. Smith will bethe office next week when the manager is away.

74.Whether at home at work, Tom always works hard to make good use of his time.

73.Your understanding of the theory issatisfactory . You must read more after class.