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| Self-assessment部分详细解答过程和答案 1.左图:Shall we go to the library? / Let's go to the library.
 中图:Shall we watch TV?/Let's watch TV.
 右图:Shall we go to the bookshop? / Let's go to the bookshop.
 2.a. Yes,there is. No,I don't.
 b. No,he doesn't.
 c. Yes,there is. It's 40 yuan.
 d. Yes,I am. I usually go to the park with my friends.
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