这个定语从句中套的时间状从里怎么有两个动词：used和earns 从句中主谓宾是什么
问题描述：
这个定语从句中套的时间状从里怎么有两个动词：used和earns 从句中主谓宾是什么
The casino issued to him a fun card,which when used in the casino earns points for meals and drinks,and enables the casino to track the user`s gambling activities.
答
定语从句应为which earns points for meals and drimks and enables the casino to track the user's gambling activilities.在这个从句中又嵌套了状语从句~是when used in the casino从句中,主语是fun card 宾语是e...