( )(6)当你想询问对方年龄,应说:A. How are you ?B. How old are you ?
A is a calf’s mother . A. horse B. cow C. cat
this a horse ? Yes , it .A. Is , isn’t B. It , is C. Is , is
We call a bird . A. it B. its C. it’s
The teacher English . A. teach B. teaches C. teachs
That’s my sister . is a teacher . A. She B. I C. He