句子匹配。
⑴I'm listening to music ____ A. but the teacher comes.
⑵Lucy is playing with her dog,____ B. but my friends come to play with me.
⑶The pupils are talking very loudly,____ C. but her mother calls her.
⑷A bus is coming,____ D. but it starts to rain.
⑸We are having a picnic,____ E. but there are too many people on the bus.
