【起止标识】标记从句时,一定从关系词开始,到以下四种终止。 ① 到句尾终止,如:Li Hui is a teacher (who teaches English). ② 到句中的逗号终止,如:(When I was young), I listened to the radio. ③ 到下一个修饰成分终止,如:I will invite Yao Ming (who was a to...