问题补充:
—Tom, your father went to Hong Kong last week. Do you know ?
— Next month.
A. when will he come back
B. when he will come back
C. where will he come back
D. where he will come back
答案:
A. when will he come back
(答案→)B. when he will come back
C. where will he come back
D. where he will come back
解析:特殊疑问句作宾语从句,要用陈述句语序。故选B