单选题 Why are you ______ a hurry?
We are going to have a physical (物质的,身体的) exam an hour.
A. in... after
B. in... in
C. on... in

【正确答案】 B
【答案解析】固定短语in a hurry，排除[C] on ... in。根据题意，正是因为要在一小时赶到才会in a hurry；如果是一小时后(after an hour)就不必着急了。所以选B更妥当。