After the guests left, she spent half an hour (clean) ______ the sitting room.cl

游客2024-07-24  11

问题 After the guests left, she spent half an hour (clean) ______ the sitting room.

选项

答案 cleaning

解析 本题测试的是动词的习惯用法。spend+时间(或钱)+(in)动名词或spend+时间(或钱)+on something意为“花时间(或钱)干某事”或“把时间(或钱)花在某事上”。据此,本句的正确答案为cleaning。
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