NeilArmstrongwasinterestedinflying       averyyoungage...

問題詳情：

 Neil Armstrong was interested in flying        a very young age. He received his student pilot’s license when he was 16

          A. from                      B. in           C. on            D. at

【回答】

D

知識點：介詞和介詞短語

題型：選擇題