【单选题】_____ he stayed in England , he visited some of his friends.
【单选题】协调世界时与世界时的时刻差别通常不超过()
【单选题】For some years after his graduation, he()some of his classmates, but as times went by, he dropped them one by one
【简答题】He went there___meeting some of his friends.
【简答题】On the other hand, he did not accept as well founded the charge made by some of his critics that, while he was a good observer, he had no power of reasoning.
【单选题】For some years after his graduation, he ______ some of his classmates, but as times went by, he dropped them one by one.