根据汉语提示写出单词。(10分) (1)A:________ ________(多少) cows do you have? B:I have ________(30只). (2)A:________(什么) are these? B:They are ________(绵羊). (3)He has two ________(奶牛) and three ________(马). (4)A:Are these ________ (西红柿)? B:Yes,________ ________(它们是).