How many elephants did you see?求翻译 请问能把did改成are吗?为什么?

How many elephants did you see?求翻译 请问能把did改成are吗?为什么? 1)How many elephants did you see? A:How many elephants did you see at the zoo?B:______A.No one how many people did you see How many brown cow did you see just now? -How many monkeys did you see in the zoo?-_____. how many message have sent?可以把have改成did吗 翻译:how many days did you stay in beijing How many (meal) did you have yesterday? How many books did you have? How many tickets did you ask How many lessons did you have yesterday?