【华慧考博】考博英语每日一练(8.19)考博加油!
1. Neither John nor his roommates _______ in the dormitory yesterday evening.
A. was
B. were
C. has been
D. had been
2. With ______ exceptions, the former president does not appear in public now.
A. rare
B. unusual
C. extraordinary
D. unique
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2.人工智能赋能教育行动






