Contrast may make sth appear more beautiful than it's when -

学习时间:2026-08-14 00:20:48 阅读：871

Contrast may make sth appear more beautiful than it's when _____ about.A.seen B.to be seen C.in seen D.having been seen

坚强的钢笔

2026-08-14 00:20:48

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答案选Awhen后是承前省略了be动词,如果句中的it is when没有了,就可以选having been seen,或者being seen,看前后文的整体时态确定用完成时还是一般现在时。