Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets.
He was dressed （ ）in a sweater, blue trousers, and well-worn brown shoes. (casual)
【正确答案】：CASUALLY
【题目解析】：
本题考查的是常见形容词的副词。
句子结构完整，可知空缺处应填副词修饰dressed，casual的副词形式是casually意为“随意地”。
句意：他穿着一件羊毛衫，蓝色的裤子和破旧的鞋子，很是随意。