20 13, 10, 1 1, ask him if the Android mobile version 1.0. 1 is online.
20 14 10 12, asking his homework to win the 9th Little Red Flower Award.
201February 4 10, I asked him about his homework version 2.3. 1, and asked him about the mall online, adding a bean-asking area.
On June 20 14 14, I asked him for homework 3.3.0 and launched the after-class chat section.
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