推 cb850626:好難>< 直覺選了ACROSS 但說穿了就是猜的 220.131.229.30 06/19
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In 1271, Niccolo and Marco began a three-and-half-year journey ______ the
mountains and deserts of Asia that ended at the summer palace of the Mongol
emperor, Kublai Khan.
(1)cross (2) crossing (3)across (4)across
Answer: (3)across
為甚麼這裡用across呢? 為甚麼不能用crossing呢?
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