• 2021-04-14
    Though many things have been changed culturally, there is a commitment and sense of responsibility that have not been _____ in today’s society.
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      During the feudal society, Kungfu greatly and improved a lot according to the needs of the society. A: had developed B: had been developed C: have developed D: have been developed

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      — How many times have you been to America — It’s the second time I ______ there. A: was B: am C: have been

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      -- There's a story about a 100-year-old man in today's newspaper. A: to be B: to have been C: being D: having been

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      According to the author's observation, college students ______. A: have never been so materialistic as today B: have never been so interested in the arts. C: have never been so financially well off as today D: have never attached m much importance to moral sens

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      It’s a shame _________ able to give them any advice. A: not to have been B: to have not been C: to have been not D: to not have been