問題詳情

30. We knew _________Armstrong was an American astronaut and the person ________first walked on the moon. Astronaut 太空人
(A) x; which
(B) x; who
(C) that; x
(D) who; who

參考答案

答案:B
難度:非常困難0
統計:A(0),B(0),C(1),D(0),E(0)

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