用所给词的适当形式填空. The boy looks ()[happy] at his mun.He looks ()[happy].
问题描述:
用所给词的适当形式填空. The boy looks ()[happy] at his mun.He looks ()[happy].
答
答案保证正确!
1. happily
副词happily修饰动词短语look at
2. happy
形容词happy放在系动词looks后面,做表语,构成系表结构.
而副词一般不能做表语
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