(共16张PPT) Part 6 Self Check ——自我检测,综合提升 Unit 3 Is this your pencil D A B B A A A B B A A C C D D G D C F B Mike found a set of keys. You can call Mike in the afternoon. Steve lost a new watch in the library. Because his grandmother gave him as a birthday gift last week. 谢谢观看 Thank you for watching 泰