-Tom didn’t go to school?A. Do you know how B. Why do you know C. How you know why D. Do you know why

问题描述:

-Tom didn’t go to school?
A. Do you know how B. Why do you know
C. How you know why D. Do you know why

Do you know (the reason) why ...?后面是从句,所以用陈述语序.
你知道汤姆为什么没上学吗?