人教版三年级下册英语Unit 2 Part B配套练习册详细解答过程和答案
Unit 2 Part B第1题详细解答过程和答案上：A 中：C 下：B
Unit 2 Part B第2题详细解答过程和答案
Hi！This is my family. This is my grandpa/grandma/father/mother/sister/Brother.
Unit 2 Part B第3题详细解答过程和答案
1连右5 2连右6 3连右3
4连右4 5连右2 6连右1
Unit 2 Part B第4题详细解答过程和答案
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