...ody, Einstein is a famous scientist.As is known to everybody是非限定性定语从句,它放在前面,然后这句的末尾与主句之间用了一个逗号隔开。3. Einstein, as we all know, is a famous scientist.这句话也是在as从句后与后面的主句之间隔了一个逗号。请...
Since adults know how to place the key in the slot, which is the ultimate purpose of approaching the slot. 请教老师,which的先行词或句子是谁?which可以指代状语从句吗?比如本句中which是否指代“Since adults know how to place the key in the slot”?谢谢...