1.You should_____(节食)and take more exercise.
2.Old as he is, he has such______(精力)that he can work 14 hours a day.
3.The teacher told him not to_____为…叹息) over the failure of yesterday’s test.
4.Mum, I don’t want any cake; I’m______ (减肥).
5.You shouldn’t have had your son telling people______(谎言) here and there.
6.The men who were fighting g_____at each other.