2 . To their disappointment, they failed to cook a Mother’s Day breakfast at the first attempt. (句型转换)
→ ________ was that they failed to cook a Mother’s Day breakfast at the first attempt. (用what引导的主语从句)
→They failed to cook a Mother’s Day breakfast at the first attempt, ________ . (定语从句)

3 . Jingyuetan National Park, located in the southeast of Changchun City, covers an area of about 150 square kilometers. (用定语从句改写)
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4 . The bear tore a hole in the fence and put his head in. Elli and I were shocked.
→The bear tore a hole in the fence and put his head in, _______________. (定语从句)
→_______________ the bear tore a hole in the fence and put his head in.(主语从句)

5 . I had great passion for a well-shaped body, and it drove me to change my lifestyle. (用定语从句改写)
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6 . A cross­country running race was held with the aim of building up students’ health. (同义句转换)
→A cross­country running race was held, _________．(非限制性定语从句)
→_________, a cross­country running race was held. (分词作状语)

8 . It is reported that all surviving South China tigers are artificially raised. It is worrying. (合并为含有定语从句的复合句)
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9 . The highlight of the exhibition is the ink wash paintings from Song Dynasty. They are of exceptional beauty and full of life.（用定语从句改写）
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10 . Studying abroad takes us out of our comfort zone and changes us for the better. That is the most important from my point of view.(用定语从句改写)
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