按要求改写句子。 [[QOrDeR]]I canplay ping-pong.(对划线部分提问) _________ can __________ do ? 【小题2】I can do some kung fu .(改为一般疑问句,并作肯定回答) ----__________ you __________ _______kung fu ? ----______, I _______. 【小题3】They can speak English .(改为一般疑问句,并作否定回答) ----__________ __________ speak English ? ----No, they _______. 【小题4】She can sing English songs .(改为否定句) She______ _________ English songs.