【单选题】听力原文: Do you know the most unusual building of the nineteenth century? Perhaps it was the Crystal Palace. It was built in Hyde Park for the Great Exhibition of 1851. The Crystal Palace was different f...
【简答题】A.Because he could have time to send war information to the Germans. B.Because it was the best place to wait for his girlfriend during wartime. C.Because he was afraid of being discovered his real mis...