The young driver looked over the engine carefully lest it __
The young driver looked over the engine carefully lest it ________ on the way.
A) goes wrong
B) would go wrong
C) went wrong
D) should go wrong
为什么选D?
Tony was ________ a mile of the hotel when he ran out of petrol.
A) within
B) inside
C) about
D) off
为什么选D?
不胜感激……
那第一个的B选项和第二个的A为什么不对?