问题
选择题
— Another cup of coffee?
— No, thanks. I think I’d better ______ for the airport immediately.
A．set up
B．set down
C．set off
D．set about
答案
答案：C
考察set的词组。Set up建立 set down 记下 set off 出发，动身 set about 开始
句意为，我最好立刻就出发去机场。