人教版四年级下册英语Unit 1 Part A Let's learn同步精练答案

1Part A Let's learn第一题答案

2Part A Let's learn第二题答案

1	2	3	4	5
E	C	A	D	B

3Part A Let's learn第三题答案

1	2	3	4
D	A	C	B

4Part A Let's learn第四题答案

1、second   

2、library