注意：此页面搜索的是所有试题
题目内容
（英语（专升本））
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
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
参考答案