Why don't we take care of our teeth?
--> we should
The cat is very lovely
--> what
My watch is more expensive than your watch
--> your watch is
How heavy is your Sister
--> what
Bài: thêm từ hoàn chỉnh
1. The dentist/fill/the vavity/ my tooth/ tomorrow.
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2. Tan / be absent/ school/yesterday.
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