Mr.Richardwasdisappointedthatmanystudentshadsignedupfo...
来源：语文精选馆 7K
问题详情：
Mr. Richard was disappointed that many students had signed up for his adventure course _____ at the last moment.
A. left out B. got out C. passed out D. dropped out
【回答】
D
知识点：词组 短语
题型：选择题
