每课一练 小学英语：R版 四年级 下PDF电子书下载

Unit 1 1

Part A one 1

Part A two 2

Part A three 3

Part B one 4

Part B two 5

Part B three 6

Part C 7

Unit 2 8

Part A one 8

Part A two 9

Part A three 10

Part B one 11

Part B two 12

Part B three 13

Part C 14

Unit 3 15

Part A one 15

Part A two 16

Part A three 17

Part B one 18

Part B two 19

Part B three 20

Part C 21

Recycle 1 22

Unit 4 25

Part A one 25

Part A two 26

Part A three 27

Part B one 28

Part B two 29

Part B three 30

Part C 31

Unit 5 32

Part A one 32

Part A two 33

Part A three 34

Part B one 35

Part B two 36

Part B three 37

Part C 38

Unit 6 39

Part A one 39

Part A two 40

Part A three 41

Part B one 42

Part B two 43

Part B three 44

Part 45

Recycle 2 46

Assessment 49

Assessment 2 52

Keys 55