【题目】We went to Canada to travel and my cousin _______as our guide.
A.playedB.showedC.actedD.performed
在线课程【答案】C
【解析】
考查动词词义辨析。句意：我们去加拿大旅行，我堂兄担当我们的向导。A. played 玩耍；B. showed展示；C. acted行动，表现；D. performed表演。根据travel , our guide.可知，本句考查固定短语act as“担当”，故选C项。