19.Since the disaster, _________. (Last of the Airships?) A)people have been using airships a lot B)a lot of improvements have been made to the Hindenburg C)airships have never been seriously considered as a means of commercial transportation D)airships have seen tremendous progress in the prevention of explosion

19.Since the disaster, _________. (Last of the Airships?)
A)people have been using airships a lot
B)a lot of improvements have been made to the Hindenburg
C)airships have never been seriously considered as a means of commercial transportation
D)airships have seen tremendous progress in the prevention of explosion

出自：英语（专升本）

提示：
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:【10253414】个 (题库试题定时更新)