He concluded his speech with a remark that failure_____the mother of success.A、i

游客2023-11-15  16

问题 He concluded his speech with a remark that failure_____the mother of success.

选项 A、is
B、were
C、was
D、must be

答案 A

解析 表示客观事实或普遍真理时,句子通常用一般现在时,此类句子的时态不受其他分旬时态的限制。
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