61.Mrs. Smith often some shopping at weekends last year.

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.

72.It would be a lot more polite if you make a requesta question.

71.Tom always goes jogging in the morning and usually does push-ups to stay.

70.Tired, Jim was fast asleep with his backa big tree.