这位司机在书房里。A. The driver is in the study. B. The teacher is in the kitchen.
() --How many boys? -- . A. Ten. B. I'm fine. C. Good.
()--This is my friend, Wu Yifan. -- . A. I like it. B. Nice to meet you. C. Ok.
() --Happy birthday to you! -- . A. You're welcome. B. Me too. C. Thank you.
()--How old are you? -- A. I'm fine, thank you. B. I'm 9. C. I'm Lily.
.选出下列图片的首字母