高考英语单项选择题解题技巧(4)

试题设计特点：3.语境推理题 利用上下文创设一个语境,字里行间隐含某些关键信息 来命题 - Has Sam finished his homework today? (改编)- idea. He _____ his homework today? -I have no Has Sam finishedit this morning. -Yes. He ______ it done C. was doing D. had done A. did B. has this morning. A. did B. has done C. was doing D. had done (NMET 2004 全国II)(答案C) (关键信息I have no idea和Yes) (答案A)