Question

【题目】A good suitcase is essential for someone who is______as much as Jackie is.

A. on the rise B. on the line

C. on the spot D. on the run

Answer 1

【答案】D

【解析】考查介词短语。A. on the rise 在增加，在上涨；B. on the line在线；C. on the spot 当场，在现场；D. on the run奔波。句意：对于像Jackie一样经常奔波的人来说，一个好的行李箱是必不可少的。根据句意选D.