首页 > —O'Neal works hard.—So he does.He is often seen ________ heavily before his teammates have even

—O'Neal works hard.—So he does.He is often seen ________ heavily before his teammates have even

题目简介

—O'Neal works hard.—So he does.He is often seen ________ heavily before his teammates have even

题目详情

—O'Neal 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

题型：单选题难度：中档来源：不详

答案

D

根据句子结构可知，感觉动词see用于被动结构，选项A、C不可以用于这一结构中；选项B为被动意义、不成立；只有选项D(sweating)现在分词与be seen构成复合结构，强调状态。

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