84.He is hard- working and helpful. He never minds _________ (do) extra work.

83.He didn’t get enough sleep yesterday evening, so he feels a little ________ (sleep) now.

82.Wearing red makes it _______ (easy) for you to take action.

81.Failure (失败) is the mother of __________ (successful)

80.Please turn the TV down. It is too ________ (noise).

79.You’d better talk to your best friend while ________ (feel) sad.

78.A number of boys _________ (prefer) to play computer games at the weekends.

77.They always argue about what TV programmes ________ (watch).

76.You can think ________ (careful) than anyone else.