【题目】The old lady was __________ by a car when turning around the corner of the street.
A. knocked B. knocked down
C. knocked over D. knocked out
在线课程【答案】C
【解析】考查动词短语辨析。句意：老太太在街道拐角处转弯时被一辆汽车撞倒了。knock down击倒；击落；knock over打翻，撞翻；knock out打破，击败，出局。结合句意可知此处用knock over.故选C.