The dog is heavier than the cat,（改为一般疑问句） I am younger than Mary.(改为否定句）拜托各位大
问题描述：
The dog is heavier than the cat,（改为一般疑问句） I am younger than Mary.(改为否定句）拜托各位大
答
答案是：1.Is the dog heavier than the cat I am not younger than Mary