问题补充：
Could you tell me ?
A. how old is your son
B. that he will come here soon.
C. whether is it fine tomorrow.
D. who is going to speak at the meeting
答案：
A. how old is your son
B. that he will come here soon.
C. whether is it fine tomorrow.
(答案→)D. who is going to speak at the meeting
解析：可联系答.案.网客服索取。
