单项选择题

Joe had many regrets when he ______ the years he spent abroad.

A. looked back on
B. looked down upon
C. looked up to
D. looked out of
<上一题 目录 下一题>
热门 试题

单项选择题
By the time I left the School, the professor ______ that class for two years.
A. has taught
B. had taught
C. will have taught
D. will teach
单项选择题
With the development of production and science, radio ______ a wide application in a short time.
A. found
B. has found
C. finds
D. has founded
相关试题