问题
选择题
I thought horseback riding would be the sport for me until I fell down from the horse back .As you can imagine ,I haven’t been invited back .
A．later
B．since
C．after
D．ever
答案
答案：B
自从我从马背上摔下来后，再也未参加骑马运动。since :adv 从…以后。故选B。