【题目】Usually Beijing Roast Duck _____ together with special pancakes, green onions and sweet sauce.
A. was served B. will serve
C. is served D. served
在线课程【答案】C
【解析】考查时态和被动语态。句意：通常北京烤鸭配上特制的薄煎饼、青葱和甜酱。句子说的是一般情况，要用一般现在时态；句子主语Beijing Roast Duck是单数第三人称，和谓语动词serve之间是被动关系，所以推知句子要用一般现在时态的被动语态，故答案为C。