both you and he are careful否定句
问题描述:
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
答
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?