For centuries, until the first Americans reached the moon, men speculated as to_

游客2023-11-16  32

问题 For centuries, until the first Americans reached the moon, men speculated as to_____.

选项 A、what looked like the satellite’s other side
B、what the satellite’s other side looks like
C、what did the satellite’s other side look like
D、what the satellite’s other side looked like

答案 B

解析 语法类试题(时态)。这是一道时态题,当表示客观真理或某一客观事实时用一般现在时。
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