—Andy works hard—So he does．He is often seen heavily before his teammates have even arri

发布时间：2020-08-16 19:12:40

—Andy works hard．
—So he does．He is often seen      heavily before his teammates have even arrived at practice．
A. to be sweated
B. sweated
C. be sweated
D. sweating

网友回答

A. to be sweated
B. sweated
C. be sweated
(答案→)D. sweating
解析：考查短语 see sb doing 看到某人正在做某事，此句是被看见正在做某事，应是：sb is seen doing 所以选D 。
以上问题属网友观点，不代表本站立场，仅供参考！