（2011年中考广东省深圳市）

15. — I don't know_ .

公优51f121f6学东元软西限途广科升慧网司有技-a743学件

— You can go and ask Jack.

限心技元4744公优51f121f6学司途9c8b325f件广学术-a743b8a7015e科东4c79量软西网慧高有升

公92b7科4eae司-a743b8a7015edad1技28eb87b1广有8be44811升智费网软西学术得优51f121f6学8a2f7b07习慧高66ab限心途9c8b325f量东4c79量术元4744是件 A. when does the train leave B. that we will plant trees or not

C. if she had come yesterday D. what I should buy for him

网b583技28eb87b1升智费广优51f121f6学8a2f7b07习费点元4744是学术得件得4c2f途9c8b325f量有8be448110258软西4aab限心1885东4c79量术上上公92b7科4eae-a743b8a7015edad1bd30慧高66ab点司

答案：D

途9c8b325f量司有8be448110258升智费广9338件得4c2f-a743b8a7015edad1bd30公92b7软西4aabae321108东4c79量术上上慧高66ab点元4744是限心1885学术得优51f121f6学8a2f7b07习费点技28eb87b1方网b583量科4eae

【解析】 宾语从句语序的用法。I don't know后为宾语从句，要用陈述语序，故A错，C应该为过去时，不是过去完成时，由答语知道是给Jack买东西的，D又是陈述语序，故选择D。