$21. ---- Thanks a lot for your book. I found it very interesting. \_. I$’m glad you enjoyed it.
Answer key
B
---- Thanks a lot for your bo…——2013 高考英语第 21 题答案解析
2013_省自主命题（江西）
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Differentiating
2013_省自主命题（江西）
$21. ---- Thanks a lot for your book. I found it very interesting. \_. I$’m glad you enjoyed it.
B