1 . He is the only one of the best students who _______ chosen to take part in the competition so far.
A.is | B.are | C.have been | D.has been |
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2 . In the US, only when someone sits in the driver’s seat ______ driverless cars allowed on roads in certain states. (用适当的词填空)
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3 . My family as well as I ________ glad to hear the news that you have been admitted to such a famous university.
A.are | B.am | C.is | D.was |
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