【简答题】We owe it to our descendants to leave them a clean world to live in.
【单选题】We owe ______ to our parents and teachers.
【单选题】We owe it to our _______ to leave them a clean world to live in.
【单选题】The friendship _____ we owe our happiness will last long. [ ]
【单选题】一个人对痛苦的事做出快乐的反应,或是对快乐做出痛苦的反应,这说明()
【单选题】一个人对痛苦的事做出快乐的反应,或是对快乐做出痛苦的反应,这说明()
【判断题】电感L1和电感L2串联,则其总电感是L=L1+L2。
【单选题】we owe our parents a big thank you中owe 什么意思