we have to clean the classroom改为一般疑问句

we have to clean the classroom改为一般疑问句 We clean the classroom on Friday afternoon.改为一般疑问句 we are going to clean the classroom after school 改为否定句 一般疑问句 we have to clean the classroom改为否定句 the boy called Jack has to clean the classroom改为一般疑问句 Mike can clean the classroom.（改为一般疑问句） He has to clean the classroom after school.（改为一般疑问句） we have to clena our classroom every day改为一般疑问句 We have to clean the classroom(对clean the classroom提问) we have to clean the classroom every day We need to keep the water clean.(改为一般疑问句) _______we_______to we should keep the water clean(改为一般疑问句）