______, he can quickly find out what’s wrong with the machine.A、Having been well

游客2024-07-19 69

问题 ______, he can quickly find out what’s wrong with the machine.

选项 A、Having been well trained
B、Having well trained
C、To be well trained
D、To have been well trained

答案 A

解析

转载请注明原文地址:https://tihaiku.com/zcyy/3683725.html

相关试题推荐

随机试题

最新回复(0)

______before,thechildwasverycareful.A、BeinghurtB、HavingbeenhurtC、Have