I heard a dog barking outside,I heard a dog bark outside.1,那句是对的?2,如都对,要表达意思有什么区别?3.如果只有一个句子是对的，请说明另外一个为什么是错的。4.第一句为什么要用heard,而不是hear?

I have a dog. i am a dog I see a dog. Am I a dog? the dog started_____because it had heard a noise outside I think a dog is a good p________ for a six-year-old child.I heard someone was badly hurt in the t________ accident. I heard a dog barking outside,I heard a dog bark outside.1,那句是对的?2,如都对,要表达意思有什么区别?3.如果只有一个句子是对的，请说明另外一个为什么是错的。4.第一句为什么要用heard,而不是hear? I'm a hot dog. I have a new dog. I heard you liked small animals very much.Yes.II heard you liked small animals very much.Yes.I___a dog and a cat as pets.A.kept B.fed C.found D.felt i like a dog和i like dog的区别 英语解释:为什么She has never heard of Lao Sh英语解释:为什么She has never heard of Lao She.变一般疑问句用Have问.而好像I have a dog.变一般疑问句用Do问 ——I heard you liked small animals very much.——Yes,I ---- a dog and a cat as pets.A.kept B.fed C.found D.felt I heard that was a happy Have you i( )the new?-No,I have never ( )such a thing.A.heard of;heard B.heard;heard C.heaHave you（ )the new?-No,I have never ( )such a thing.A.heard of;heard B.heard;heard C.heard of;heard of D.heard;heard of I am an old dog.His a lucky dog.She is a lazy dog. the boy asked( )any noise from outside.A.whether had I heard B.whether I had heard C.whether have I heard D.whether I have heard 英语翻译Then we heard the sound of a dog came from the forest barking furiously.I recognized it was my dog Lulu.The fireman followed the tracks of the dog until we found him barking loudly by the side of an injured fireman who was lying on the gr