3B语法练习VIP免费

3B语法练习班级____________姓名____________一、将下列句子改成否定句。1.Thisisapencil._________________________2.Thatisaruler.__________________________3.Iamaboy.__________________________4.YouareYangLing.__________________________5.Itisacrayon.__________________________6.Openthedoor.__________________________7.Pleasecloseyourbook.__________________________二、将下列句子改为一般疑问句。1.Thisismypencil.__________________________2.Itisaruler.__________________________3.Thatisanicewindow.__________________________4.Iamastudent.(学生)__________________________