This is the 4000 Essential English Words 2nd Edition Book 6 with 4000 words in C1 CEFR level.

Please click the chapter on the timeline to show the chapter list.
List of units:
00:00:00 Unit 1
00:04:39 Environment Over Convenience
00:07:37 Unit 2
00:12:27 Debate Over the Elgin Marbles
00:15:05 Unit 3
00:19:49 Globalization
00:22:45 Unit 4
00:27:28 The Helpful Abbey
00:29:57 Unit 5
00:34:22 Small World

00:36:38 Unit 6
00:41:29 The Weaving Machine
00:44:14 Unit 7
00:48:57 Life on the Farm
00:51:17 Unit 8
00:56:00 Brothers
00:58:30 Unit 9
01:02:55 The Old Hound
01:05:19 Unit 10
01:09:43 The Big Ship

01:12:14 Unit 11
01:16:13 “I Didn't Do It!”
01:18:22 Unit 12
01:22:37 The Soldier's Decision
01:25:00 Unit 13
01:29:31 The Man and the Monkey
01:31:59 Unit 14
01:36:27 Cosmo's Flight
01:39:09 Unit 15
01:43:44 The Lottery

01:46:00 Unit 16
01:50:42 Jen's New Job
01:53:02 Unit 17
01:57:25 The Fossil Hunters
01:59:58 Unit 18
02:04:29 The Butler's Bad Day
02:07:04 Unit 19
02:11:32 Watch Out!
02:14:02 Unit 20
02:18:23 The Avalanche

02:20:55 Unit 21
02:25:10 The Butler
02:27:38 Unit 22
02:32:06 The Coward's Lesson
02:34:27 Unit 23
02:39:10 The Brute and the Billionaire
02:41:32 Unit 24
02:46:05 The Persistent Inventor
02:48:23 Unit 25
02:52:47 The Nurse's Lesson

02:55:02 Unit 26
02:59:38 The Mayor of Sherman
03:02:16 Unit 27
03:06:49 The Editor's Choice
03:08:57 Unit 28
03:13:15 The Kidnapping
03:15:47 Unit 29
03:20:14 The Lord and the Farmers
03:22:23 Unit 30
03:26:54 The Shortcut