The tradition has been（ ）since the ancient times.
A、
passed by
B、
passed on
C、
passed to
D、
passed down
【正确答案】：D
【题目解析】：
本题考查的是pass后面的介词，A.pass by：经过；B.pass on：传达；pass through：经历，D.pass down：流传下来，根据意思传统应该是流传下来，选D。句意：这个传统自古以来就流传下来了。
The tradition has been（ ）since the ancient times.
The tradition has been（ ）since the ancient times.
passed by
passed on
passed to
passed down
本题考查的是pass后面的介词，A.pass by：经过；B.pass on：传达；pass through：经历，D.pass down：流传下来，根据意思传统应该是流传下来，选D。句意：这个传统自古以来就流传下来了。