• 2021-04-14
    It was a(n) ______ achievement; no one has ever won the championship five times before.
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      C. 用have gone或 have been1) Where are the boy students? They _____ to the school factory.2) Is your father in? No, he ____ to Shenzhen. _______he ever ______ there before ? Yes,he ___ there several times   3) He asked me if I_____ to Hangzhou before.   I told him that I wanted to go there for a visit as I ____ never ____ to that city before.

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      You know someone _____ ever told me that before. A: have B: had C: having D: has

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      Business communication has become more challenging than ever before, because of ( )

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      This is one of the best books_______. A: that have ever been written B: that has ever been written C: that has written D: that have written

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      The new reservoir isthe old one. A: as five times big as B: the size of five times C: five times big than D: five times the size of