---Was your holiday trip to Europe amazing?
---Not really! But we got back safe, before the European airspace restriction caused by the Icelandic volcano ashes.
A. narrowly
B. successfully
C. smoothly
D. thankfully
网友回答
A. narrowly
B. successfully
C. smoothly
(答案→)D. thankfully
解析:可联系答.案.网客服索取。