问题
选择题
—Have you finished your homework yet?
—Not yet, I ___ to do it just a few minutes ago.
A．get down
B．set out
C．set about
D．set up
答案
答案：B
get down to doing sth 开始做某事，set out to do sth 着手做某事，set about doing sth 开始做某事，set up 建立。故选B。