Fish sleep with their eyes open.请问此句中的 open是什么词性,怎样理解记住这个句型.

Fish sleep with their eyes open.请问此句中的 open是什么词性,怎样理解记住这个句型. Fish sleep with their eyes open.中的eyes open 是什么词性 fish sleep with their eyes open 为什么这里用open? They wonder why do fish sleep with their eyes open.此句是错误的,请改 the fish sleep with their eyes open.对with the eyes open 提问应该 如elephants walk on tiptoe或fish sleep with their eyes open之类的 Father told me fish ___ (sleep) with their eyes open.这一题该填什么 Do you konw that fish_____（sleep）with their eyes open? 与Do you know that fish sieep with their eyes open?相仿的宾语从句. keep their eyes open open the door 中的open是什么词性 怎样看单词的词性 tear open 中的open 是什么词性呢 是名词么