A good story does not necessarily have to have a happy ending, but the reader must not be left __________. A. unsatisfied B. unsatisfying C. to be unsatisfying D. being unsatisfied
答案:A。 解析: 正如表示人感到满意要用satisfied,不用satisfying一样,要表示人感到不满意,应用unsatisfied,不能用unsatisfying。