The girl on the bus began to sing a pop song and soon all the others_________.
A. joined B. joined in C. attended D .took part in
The girl on the bus began to sing a pop song and soon all the others_________.
A. joined B. joined in C. attended D .took part in
B
由句意得知，所有的人都加入到了唱歌的行列。“join in”意为“参加”。“take part in”意为“参加(大型活动)。