关于高中英语高级词汇

关于高中英语高级词汇
　5.attend to替换look after
　6.on condition that替换as long as
　7.nevertheless替换however
　8.express one’s satisfaction with替换be satisfied with
　9.spare no efforts to do替换try one’s best to do
　10.many a 替换many
求无错误,万分感激~
是需要以上词语转换的例句