问题描述：
1）I think swimming and hinking ____(be) less difficult than diving.
1）I think swimming and hinking ____(be) less difficult than diving.(2)Jimmy is my best friend and I ____(know) him long ago. 单句改错（1）The (toys) (at) the shop are (more expensive) (of all）. A B C D
1）I think swimming and hinking ____(be) less difficult than diving.(2)Jimmy is my best friend and I ____(know) him long ago. 单句改错（1）The (toys) (at) the shop are (more expensive) (of all）. A B C D
问题解答：
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