Her mother worked in a town last year 变为否定句、疑问句然后作肯定、否定
问题描述：
Her mother worked in a town last year 变为否定句、疑问句然后作肯定、否定
答
her mother didn't.did her mother work ...no ,she didn't .yes she didShe lives in the city变为否定句、疑问句然后作肯定、否定His friend was here just now变为否定句、疑问句然后作肯定、否定I bought a computer last week变为否定句、疑问句然后作肯定、否定