题干
如果你想问农场有多少头牛，应说：
A：How many cows are there on the farm?
B：How many cows can you see?
答案(点此获取答案解析）
A
如果你想问农场有多少头牛，应说：
A：How many cows are there on the farm?
B：How many cows can you see?
