1 . The news has ________an emerging scandal involving the police department of Alabama.
A.recovered | B.discovered | C.overheard | D.covered |
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21-22高一上·上海·课前预习
2 . With the help of high technology, more and more new substances ________ in the past years. (discover) (所给词的适当形式填空)
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21-22高一上·上海·课前预习
3 . Oetzi, the 5,000-year-old “Iceman”, ________on the alpine border between Italy and Austria in 1991.
A.was discovering | B.was discovered |
C.had been discovered | D.discovered |
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