Mary does cleaning on weekends. (改为否定句)
Mary __________ __________cleaning on weekends.
It’s Helen’s turn to make the duty report today. (对划线部分提问）
__________ __________is it to make the duty report today ?
Tom bagan to study in that school three years ago.（改为同义句）
Three years __________ __________ since Tom began to study in that school.
老师要求我们把家庭地址填写在表格里。（完成译句）
The teacher asked us to __________ __________the form with our home address.