The kids lay face down on the beach,their backs ___ to the sun.A.exposing B.exposed
问题描述：
The kids lay face down on the beach,their backs ___ to the sun.A.exposing B.exposed
“背暴晒在太阳下”,“背”和“暴晒”不是主动关系所以要用主动形式现在分词吗,答案咋是过去分词?咋回事儿呀?
答
因为人才是主动的,比如后面那句如果改成they expose their backs to the sun,这个才是主动.反过来,用“backs”作主语,就是被动.请看动名词与分词的用法.