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

admin2014-10-11 25

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://kaotiyun.com/show/T5MK777K

大学英语三级B级

相关试题推荐

随机试题

最新回复(0)