both you and he are careful否定句

both you and he are careful否定句
they have been to Nanjing twice对划线部分提问(划线的是twice)
____ _____ ____ have they been to Nanjing
英语人气:117 ℃时间:2020-05-16 23:08:06
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both you and he are careful否定句
Neither you nor he is careful
they have been to Nanjing twice对划线部分提问
How many times have they been to Nanjing?
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