it was / beautiful weather that we spent the whole day in the park.a:so b:such;

题目

it was / beautiful weather that we spent the whole day in the park.a:so b:such;

答案

B ,天气很好我们在公园待了一整天
beautiful weather是一个名词短语,要用such修饰,用so的话就要用the weather is so beautiful that …