____have a book in ____hand.A cat and a dog are with_____.Th

On the floor is a dog and a cat是A dog and a cat are on the f 为什么On the floor is a dog and a cat 和A dog and a cat are on t There were once a dog and a cat sitting by a kitchen door.Th 英语作文：A cat and a dog they lead a cat-and-dog life a cat and dog life 英语意思 There_ _ _ _(is,are)is a dog and a cat. 1,There are a dog and a cat under the tree .2.Tom doesn't hi On the floor ___ a dog and a cat.用is 还是are 划线部分提问 my fath and mother are（fine ） i can see （a cat ）in th There is a dog and an cat in front of _____ door.为什么不是in fro It chased away a dog and a cat如何翻译