练习材料 [Day 1483 2018-10-18] Lesson 11 One good turn deserves another I wa...

练习材料 We have an old musical instrument. It is called a clavichord(翼琴). I...

练习材料 Lesson 9 A cold welcome On Wednesday evening, we went to the Town H...

练习材料 [Day 1480 2018-10-15] Lesson 8 The best and the worst Joe Sanders h...

练习材料 [Day 1479 2018-10-14] Lesson 7 Too late The plane was late and dete...

练习材料 [Day 1478 2018-10-13] Lesson 6 Percy Buttons I have just moved to a...

L0 音标 Mr. James Scott has a garage in Silbury and now he has just bought...

任务：L0+L1+L4 Lesson 4 An exciting trip I have just received a letter from...

任务配置：L0+L1+L4 [Day 1475 2018-10-10] Lesson 3Please send me a card Postca...