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The number of children who___________ both parents to Aids ________ also expected to rise, reaching more than 26 million in 2010.
A.has lost; isB.have lost; areC.has lost; areD.have lost; is
D

试题分析:句意:因艾滋病而失去双亲的儿童的人数预计要上升,在2010年达到两千六百万多。The number of +名词“.......的数量”,做主语时,句子的谓语用单数形式,故排除C。定语从句的谓语动词要根据先行词来判断单复数,第一个空的定语从句的先行词是The number of children (孩子的数量),因此谓语用单数形式,故排除BD。故选D。
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