B2 Match the parts on the left with those on the right. Write complete sentences in the blanks.
1 Mr Black has bought a sofa. He wonders
• • a what he will do in the future.
2 Sandy is not good at history. She does not know
• • b when he could receive it.
3 There are many toys in the shop. Peter is not sure
• • c who she should invite.
4 Simon loves football. He has decided
• • d how she could improve it.
5 Wilson has ordered a robot. He wants to know
• • e which he should buy for his cousin.
6 Kitty is going to have a birthday party. She is thinking about
• • f where he should put it.
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1. Mr Black has bought a sofa. He wonders where he should put it.
2. Sandy is not good at history. She does not know how she could improve it.
3. There are many toys in the shop. Peter is not sure which he should buy for his cousin.
4. Simon loves football. He has decided what he will do in the future.
5. Wilson has ordered a robot. He wants to know when he could receive it.
6. Kitty is going to have a birthday party. She is thinking about who she should invite.

本题需结合语境语义，将左侧人物的情境与右侧对应的疑问内容进行匹配，组成逻辑通顺的完整句子。具体匹配逻辑如下：
1. 布莱克先生买了沙发，对应的疑问是沙发该放置的位置，匹配选项f；
2. 桑迪不擅长历史，对应的疑问是提升历史成绩的方法，匹配选项d；
3. 商店里有很多玩具，彼得不确定的是给表弟选购哪一款玩具，匹配选项e；
4. 西蒙热爱足球，他决定的是未来相关的规划，匹配选项a；
5. 威尔逊订购了机器人，他想知道的是收到机器人的时间，匹配选项b；
6. 基蒂要举办生日派对，她在考虑的是派对邀请的人选，匹配选项c。

B3 Rewrite the object clauses in Part B2 with questions words + to-infinitives.
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答案略