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

游客2024-07-08 8

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。

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Whileengineersandartistsarenotinthesameboat,theyarethesameinterms