国家开放大学 / 综合英语（3）
正确率：100%
He is one of the growing number of Americans who in recent years have ______ dangerous sports to fill their leisure time.
A.taken off
B. taken up
C.taken in
D. taken over
A.taken off
B. taken up
C.taken in
D. taken over
参考答案：
佳题速递：