問題詳情

       In early July, 1947,a mysterious object crashed on a ranch 30 miles north of Roswell. The Roswell Army Air Field (RAAF) issued a statement claiming to 56 a crashed “flying disk.” The next day, 57 , RAAFchanged its statement to say that the object was a weather balloon, not a flying disk 58 they previously reported. This revised statement sparked immediate controversy and has continued to be a topic of debate till this day.       Now Roswell has become a popular tourist site. The city holds the Roswell UFO Festival annually, every summer on or near July 4, inviting UFO enthusiasts and 59 alike to join in the celebration of one of the most debated incidents in history. The four-day event 60 guest speakers, live entertainment, family-friendly activities and possibly an alien abduction.
56.
(A) have recovered
(B) recover
(C) be recovering
(D) be recovered

參考答案

答案：B[無官方正解]
難度：非常困難0
統計：A(1),B(3),C(0),D(2),E(0)

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