Question

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

 

Answer 1

【答案】

C

【解析】非謂語動(dòng)詞的考查是本題的目的。see somebody doing表示看見某人一直正在干某事，題干中只是將主動(dòng)變成了被動(dòng)。