译林版六年级下册英语Unit 4 Period 4课课练详细解答过程和答案
Unit 4 Period 4第A题详细解答过程和答案略
Unit 4 Period 4第B题详细解答过程和答案
policeman，rules，carefully，road，street，look，right，green，quickly，play
Unit 4 Period 4第C题详细解答过程和答案
123Can， can'tmust， mustMust， must
Unit 4 Period 4第D题详细解答过程和答案
1、can't/shouldn't/mustn't walk
2、in the library/on the metro/in a bookshop; we can't/shouldn't/mustn't eat or drink there
3、in the street/on the road; we can't/shouldn't/mustn't turn left
4、in the library/reading room; we can't/shouldn't/mustn't talk loudly there
Unit 4 Period 4第E题详细解答过程和答案
five， thirty， play， football， sign， can't/mustn't/shouldn't， after
Unit 4 Period 4第F题详细解答过程和答案
略
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