1. I'd like to buy that coat - I'm sorry...... A. it's sold B it was C. it's been sold D. it sold 2. The shelf.............those old books. A. used to be used to hold B. used to used to holding C. is used to holding D. was used to be holding 3. The pencil well A.writes B is written C. was written D.writing giải thích vì sao ạ cho sao ạ

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