it is ---to jump a short way than to stay in a nurning building中横线处应填副词还是形容词的比较级副词不就是用来修饰be动词的吗?

问题描述:

it is ---to jump a short way than to stay in a nurning building中横线处应填副词还是形容词的比较级
副词不就是用来修饰be动词的吗?

改过来是,To jump a short way is( )than to stay in a nurning building;应该是形容词的比较级,不过这句话不太懂啊,是burning building吧?

形容词的比较级

应该填形容词的比较级.
这是主系表结构,缺了表语,所以需要形容词.
如果不缺成份,就可以填副词.