It's unlikely that either runner is able to this quick pace. [ ] A. keep on B. k
来源:网络
时间:
推荐文章
![It's unlikely that either runner is able to this quick pace. [ ] A. keep on B. k](/pic/43_783214.jpg)
It's unlikely that either runner is able to ________ this quick pace.
[]A.keep on
B.keep off
C.keep up
D.keep down
试题答案
答案:C