为什么take part in没有a,但是take an active part in要加an?

为什么take part in没有a,但是take an active part in要加an? 有take active part 还有其他英语问题1有take part in ,其中part前没有冠词那为什么take an active part in 就得有个an?take active part in有没有这个短语啊?2a /the majority of后是加可数还是不可数?a/the majority of take part in a contest, 有 take a part in take part in和take a part in的区别 take an active part in 为什么加a Pingpong is popular in China,-----both young and old can--------.A.about it;take part in B.in it;take part C.in which;take part inD.in which;take part填什么,为什么 区别play a part in 与 take part in? did she ____the meeting?A.take part in B,take part for C,took part in take part in a sports meeting 中文? some take part in a neighborhood program WIll you please( )us?A.join B.join in C.take part in D.take a part in为什么选A不选B? Did she ( ) the meeting?A.take part forB.took part inC.take part in enter,join,take part in区别enter the army=join the army 为什么?enter a contest=take part in a contest 请问为什么？ take part与take part in有没有take part单独的短语?如果有它和take part in有什么区别? 10.What sports will you____ in sports meeting?A.join B.have C.take D.take part in为什么呢? take part 和 take part in 区别 take part in