问题补充：
The girl was knocked her bike by a car. She shouted the driver angrily.
A. on, to
B. into, to
C. off, at
D. down, at
答案：
A. on, to
B. into, to
(答案→)C. off, at
D. down, at
解析：考查介词。句意：这个女孩被一辆车从自行车撞下来。她向那个司机生气地大喊。短语：knock off 从什么上撞下来，shout at 向某人大喊。所以选C。
