A: 相当于and he was satisfied; 如果选B,常用来做原因状语.如
Being satisfied with what he had done, the teacher praised him in the class.
D: 相当于should take,也就是说省略了should
这是个宾语从句的虚拟语气
经理建议他应该坐飞机去以便及时到那儿开会.
A: 相当于and he was satisfied; 如果选B,常用来做原因状语.如
Being satisfied with what he had done, the teacher praised him in the class.
D: 相当于should take,也就是说省略了should
这是个宾语从句的虚拟语气
经理建议他应该坐飞机去以便及时到那儿开会.