重点短语
Unit 1
1. we are back at school
2. the room is messy
3. he played too hard
4. come back
5. my dog is missing
6. the gold is missing
7. they will go to the zoo
8. look for
9. don’t worry
10. eat up
11. read books
12. get well
Unit 2
1. do homework
2. do housework
3. hold on
4. call back
5. have a bad cold
6. stay in bed
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