用in，on，behind，under组词组各3个

result in导致，in surprise惊讶，in the end最后 turn on打开，on duty值日，on time准时 behind the scenes在幕后 behind the times过时 behind the wheel开车掌管 under attack被攻击 under control被控制 under discussion讨论中 满意请采纳，谢谢 ...