1.“Well done!”the teacher patted the shoulder of the student
2个回答

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.