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河北省石家庄市49中2011届高三英语第二次月考
第二节 单项选择（共15小题；每小题1分，满分15分）
6. She had just finished her homework_ _____her mother asked her to practice playing the piano yesterday.
A. when B. while C. after D. since
7.--- What were you doing when Lucy ______ in yesterday?
第二节 单项选择（共15小题；每小题1分，满分15分）
6. She had just finished her homework_ _____her mother asked her to practice playing the piano yesterday.
A. when B. while C. after D. since
7.--- What were you doing when Lucy ______ in yesterday?
