单项选择题
Why did the man fasten the end of the rope before he climbed up the ladder（）
A．He was afraid that someone would steal his box. B．Because he wanted to climb up along the rope. C．He fastened the end of the rope in order to keep the box unmoved. D．Because he wanted to prevent the box from coming down.
单项选择题 The box of bricks hit the man because （）
单项选择题 How many times did the box hit the man（）
单项选择题 For the second time, the man's head was hit by（）
