37. We cannot always ____the conventional customs handed down to us from the past.

37. We cannot always ____the conventional customs handed down to us from the past.
A. perform B. possess C. observe D. support
【答案】C
【解析】
【详解】考查动词词义辨析。句意：我们不能总是遵守过去传给我们的传统习俗。A. perform演出；B. possess拥有；C. observe遵守；D. support支持。由the conventional customs handed down to us from the past可知，过去传给我们的传统习俗，我们不能总去遵守，因为其中有些不合时代潮流了。故选C项。