—HowwasyourtriptoPurpleMountain? —Everythingwaswonderfu...

问题详情：

—How was your trip to Purple Mountain?

  —Everything was wonderful except that our coach _________ once on the way.

A. calmed down    B. broke down      C. slowed down     D. put down

【回答】

B

知识点：动词和动词短语

题型：选择题