题目内容
O'Neal works hard. He is often seen ________ heavily before his teammates have arrived at practice.A. sweated
B. to be sweated
C. being sweated
D. sweating
答案：D
解析：
提示：
解析：
| See后面可以跟动词原形或者是现在分词，跟现在分词表示当时的状况。
|
提示：
练习册系列答案
相关题目
O'Neal works hard．He is often seen _______ heavily before his teammates have even arrived at practice．
|
A．sweated |
B．to be sweated |
|
C．sweating |
D．being sweated |