module 3 music i. 单项填空 1.________all her work in the office,mary went to the cinema with her friends. a.having finished b.finish c.to finish d.finished 答案 a [考查非谓语动词。“完成”这一动作发生在went to the cinema之前,且finish与其逻辑主语mary之间是主谓关系,故选动词ing形式的完成式。] 2.salt,when________with water,dissolves quickly,which is a physical r