【題組】148.How long had Armstrong worked in NASA before he could really fly to and walk on the moon?(A)

問題詳情

【題組】148.How long had Armstrong worked in NASA before he could really fly to and walk on the moon?
(A) 31 years
(B) 14 years
(C) 9 years
(D) 8 years

答案：D
難度：計算中-1
書單：沒有書單，新增