2. 外语
  3. For centuries, until the first Americans reached the moon, men speculated as to_____.

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

admin2012-03-21  49
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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