This is a bus.（改为一般疑问句）

This is a bus.（改为一般疑问句） 英语句式转换This is a bus.(改为一般疑问句)__________________________?Li P This is a clock.(改为一般疑问句) This is a boy.改为一般疑问句 This is a computer.(改为一般疑问句) This is a ruler 改为一般疑问句 This is a ruler改为一般疑问句 This is a desk.(改为一般疑问句) This is a key改为一般疑问句? This is a pen.改为一般疑问句 This is a map 改为一般疑问句 This is a camera.(改为一般疑问句)