The boy is so afraid of snakes that when he saw a small Wap版

试题详情及答案解析

The boy is so afraid of snakes that when he saw a small one yesterday on his way home he burst _______ crying.

A．in

B．upon

C．out

D．into

答案：C

试题分析：考查介词辨析。句意：男孩非常害怕蛇，当他昨天在路上看到一条小，突然大哭起来。Burst out doing 突然爆发。。，故选C项。
考点 : 考查介词辨析