______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home. A. To wait B. Have waited C. Having waited D. To have waited

______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.

A. To wait
B. Have waited
C. Having waited
D. To have waited

出自：兰州财经大学大学英语

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10243696】个 (题库试题定时更新)