----The 7:30 plane hasn’t turned up yet.
----It has gone off its to keep away from the sudden storm
A. journey
B. course
C. flight
D. direction
网友回答
A. journey
(答案→)B. course
C. flight
D. direction
解析：名词辨析。A旅途；B航线；C航班；D方向；句意：—7点30的航班到现在也没有到。—为了避开突然的暴风雨，他偏离了原来的航线。故B正确。