She walked home by herself at night, she knew that it was dangerous.A.onceB.asC.
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She walked home by herself at night, _____ she knew that it was dangerous.
A.once
B.as
C.unless
D.although
试题答案
D
考查连词。A一旦，曾经；B作为；C除非；D尽管句意：她昨晚自己走回家，尽管她知道这样很危险。