Is she a teacher?--No,but she used to.此句后要be吗?

Is she a teacher?--No,but she used to.此句后要be吗? Linda used to be a teacher,but now she is a secretary for a she used to be a teacher Mrs.Wang used to---(be) a history teacher,but now she---(be) She used to be a history teacher改为否定句 she used to be a history teacher 改为否定句 she used to be a history teacher是什么意思 Jane used to be shy,but now she is __________. China is no longer what she used to be is your grandmother a history teacher ? she------ A used to Linda used to be a dancer,but now she is a bit overweight.的汉 tim used to be a dancer,but now she is a bit overweight.