Nomatterhowmuchtimeyouspendplanningatrip,thingsstill

問題詳情：

No matter how much time you spend planning a trip, things still _____ go wrong and air travel is no exception—from weather delays to lost luggage.

A. deliberately               B. obviously                C. originally                D. occasionally

【回答】

D

知識點：副詞

題型：選擇題