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)