61.   A main hope is that new classes of drugs will overcome such toxicities and also the increasingly common problem of viral resistance.

62.   A more common problem with roofs in the Miami Valley climate is dark drip lines.

63.   A national newspaper like Nezavisne reminds readers that Bosnians today have many common problems.

64.   A team of child development experts give an update on this common problem.

65.   A. Out-of-control bamboos and at least one bamboo look-alike are a common problem in the New York area.

66.   A. This is a common problem in areas where there is a high mineral content in the water.

67.   A. This is a common problem, although it can be quite unnerving if you hear it for the first time in the middle of the night.

68.   A. Loneliness is a common problem among home-alone kids, although some are reluctant to admit it.

69.   Abdominals, Gaylord says, are a common problem for men.

70.   According to the FDA, the most common problem with permanent cosmetics is dissatisfaction -- specially with improperly placed pigment in eyelid tattooing.