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课程与PC端同步更新，充分利用零碎时间。做题
海量精选试题，想练就练，瞬间提分。答疑
海量精选试题，想练就练，瞬间提分。直播
名师大咖面对面，有问有大收获多。Mr. Jones woke early one morning， before the sun had risen. It was a beautiful morning， _1_ he went to the window and looked out. He was _2_ to see a neatly-dressed and mid-aged professor，who _3_ in the university just up the road from Mr. Jones‘ house， coming the direction of the town. He had grey hair thick glasses， and was _4_an umbrella， a morning newspaper and a bag. Mr. Jones thought that he must have _5_ by the night train _6_ taking a taxi.
Mr. Jones had a big tree in his garden， and the children had tied a long _7_ to one of the branches， so that they could swing on it.
Mr. Jones saw the professor _8_ when he saw the rope and looked carefully up and down the road. When he saw that there was _9_ in sight， he stepped into the garden (there was no fence)， put his umbrella， newspaper， bag and hat nearly on the grass and _10_ the rope. He pulled it _11_ to see whether it was strong enough to take his weight， then ran as fast as he could and swung into the _12_ on
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