81.  Aileen knew how to hold a conversation with twelve people and work hard at the same time.

82.  Airlines do train flight attendants in how to spot trouble in advance, and in conflict resolution.

83.  Alan asked me to tell you how much he appreciated your hospitality when he was in London.

84.  Alan recounted how he and Joyce had met.

85.  Alice had to figure out how to pay the rent after Ralph spent the money on another of his hare-brained schemes.

86.  All children should have access to the latest technology, irrespective of where they live or how much their parents earn.

87.  All drivers should really know how to change a flat tire.

88.  All I can remember of her as a baby is how much she loved butter.

89.  All of them will make either a slide rule or an abacus as a way of presenting how number sets work.