PET考前真题复习题18_PETS park closes at 6 pm except in december when it closes at 4 pm a.the park shuts earlier than 6 pm on some days. b.the park stays open later for one month of the year. c.the park is open all year except in december. 答案:a ← 霍雷肖·纳尔逊的汗衫将被拍卖_人物点滴 → 再现爱因斯坦晚年岁月_人物点滴