All I can say about them ______ that they are the most competent engineers I hav

游客2023-09-28 33

问题 All I can say about them ______ that they are the most competent engineers I have ever seen.

选项 A、have
B、has
C、are
D、is

答案 D

解析 All I can say about them是从句作主语，看作单数，故用单数动词。

转载请注明原文地址:https://tihaiku.com/zcyy/3052657.html

相关试题推荐

随机试题

最新回复(0)

Whomisthebookprimarilyaddressedto?Toforeignengineersorstudentsofeng