考博考试

【单选题】 Before she could shout "look ______" to the old man, he was run ______ by a car coining from his left.
A．back, on
B．out, over
C．up, down
D．ahead, at

网考网参考答案：B
网考网解析：
[解析] 本题是说在她喊出“小心”之前，老人就被车撞倒了。look out的意思是“小心”； run down的意思是“撞倒，撞翻”，因此B项为正确答案。 查看试题解析出处>>