题目内容:
Mr. Green, was worried because ______.A. he was driving along a lonely road
B. he had taken a stranger in his car
C. he saw a police-car
D. he was afraid that the man might rob him
参考答案:
A. he was driving along a lonely road
B. he had taken a stranger in his car
C. he saw a police-car
D. he was afraid that the man might rob him