Mary always helps her classmates.（改为一般疑问句）

Mary always helps her classmates.（改为一般疑问句） Her name is Mary.(改为一般疑问句) Susan often helps Helen with her English 改为一般疑问句 Kate helps her mother with housework.改为一般疑问句 Tom helps Linda with her Chinese.改为一般疑问句 Mary has to clean her room every day.(改为一般疑问句) （ ）Mary（ ）to sally always helps her classmates.（否定句） sally____helps her c she always helps her classmates clean the classroom是什么意思 Mary has to look after her little sister at home (改为一般疑问句） Mary's books are on her desk.（改为一般疑问句） she always finishes her homework before supper改为一般疑问句 John is older than his classmates.(改为一般疑问句）