She has been dancing for two years.对划线部分提问 ___ ____ has shen been dancing __________2,She has been working for 20 hours.改为一般疑问句2_____she _____ ____for 20 hours?
问题描述：
She has been dancing for two years.对划线部分提问 ___ ____ has shen been dancing __________
2,She has been working for 20 hours.改为一般疑问句
2_____she _____ ____for 20 hours?
答
1、How long has she been dancing for?
2、Has she been working for 20 hours?
答
how long 2,has been working
答
1,how long has she been dancing
2,has she been working for 20 hours?
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