试题题干
Translate the following sentence into Chinese.
Lions and tigers can be taught to leap and spring gracefully when told to do so, or to stay in place on command.
参考答案
试题解析
考点：Lions and tigers狮子和老虎；stay in place on command原地不动。
句子结构：主句为Lions and tigers can be taught to leap and spring，when···为时间状语。