in turn和take turns to do sth这两个turn都是做名词吗?为什么一个有加s一个没有加呢?

take turns 和 take turn 的区别 是take turn还是take turns?是in turns 还是in turn?是by turns 还是by turn? in one's turn 和in turn和 take turns的区别 百度知道最好详细些并加上例句, in turn和take turns to do sth.有什么区别 take turn还是take turns? We play the dialogue _____.A in turns B take turns C by turn D on turn turn in 和take in in turn和take turns to do sth这两个turn都是做名词吗?为什么一个有加s一个没有加呢? in turn 和 by turns怎么用怎么区别 是take turn to do还是 take turns to do? Take turns asking your partner what he or she likes in sandwiches. 这句话怎么翻译啊?为什么take turns,turns 要加s ?不是还有 take turn ，这个词组也是轮流的意思啊 Please don't ___ Bobby when he ___ you.A.turn down,turns toB.turn away from,turns intoC.turn off,turns upD.turn out,turns over Let's take turns to read our fact sheets.里的take turns 为什么不能用take turn to Take turns in turn 和 in turns 有什么区别?He stayed with his mother till nearly midnight,comforting her and being conforted _____.请问这里应该填in turn 还是 in turns呢? We must take our turn at work这句话中的 our turn 要加 s turns People try to avoid public transportation delays by using their own cars,and this ___ creates further problems,A in turn B in all C take turns Dby turns turn up from one book turns up in another one