Mr Green asked Lily whether she had passed the ( )

直接引语改间接引语：
1.直接引语是一般疑问句时,变成间接引语,由连词whether或if 引导.例如：
　　He asked me,“Do you like watching TV?”→He asked me if/whether I liked watching TV.
2.直接引语变间接引语时,如果引述动词为过去式,需注意时态的变化：如：
　　1) Betty said,“Lingling is singing in the classroom now.” 现在进行时→
　　Betty said Lingling was singing in the class room then.-过去进行时
　　2) He said,“I will go to London next week.” 一般将来时→
　　He said he would go to London next week.过去将来时
　　3) My mother said,“I have already cleaned the house.” 现在完成时→
　　My mother said she had already cleaned the house.过去完成时
还有,一般过去时,改为过去完成时
3.直接引语变间接引语时,指示代词、时间状语、地点状语、动词等要作相应的变化.如：this→that,these→those,now→then,today→that day,yesterday→the day before,last year→the year before,ago→before,here→there come→go等.例如：
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