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

1Part B Let's learn第一题答案

1	2	3	4
A	B	A	B

2Part B Let's learn第二题答案

1	2	3	4	5
A	B	A	A	C

3Part B Let's learn第三题答案

art room；computer room；second floor；gym；first floor