问题
39. —Tom, could you tell me __________—Sorry. You can turn to Mr Lee for help.
A:when is the National Public Memorial Day
B:how can I use the watch-phone
C:if the light travels faster than the sound
D:where will the 31st Olympics be held;
B:how can I use the watch-phone
C:if the light travels faster than the sound
D:where will the 31st Olympics be held;
正确答案是：
