问题
选择题
– Do you know________?
-- Only one year old.
A．when does he start golfing
B．when did he star golfing
C．when he starts golfing
D．when he started golfing
答案
答案：D
know后的宾语从句应该用正常的陈述句顺序，故不选AB,本题谈的是开始做某事，应该是过去发生的事，故不选C，只选D。