【题目】A man posted a picture of injuries to his face when he _______ some steps.
A. tripped over B. tripped out
C. fell down D. turned over
在线课程【答案】A
【解析】考查动词短语。A. tripped over被……绊倒；B. tripped out断开；C. fell down倒下；D. turned over把……翻过来。句意：一个男子在台阶上绊了一跤，他上传了衣服脸上受伤的照片。A项会造成受伤，故选A。