I looked out of the window and happened ________ Lucy on her bike ______ along the road.

I looked out of the window and happened ________ Lucy on her bike ______ along the road.
　　14.I looked out of the window and happened ________ Lucy on her bike ______
along the road.
　　A.to seeing; ride B.to see; riding C.to see; ridden D.seeing; riding
　　15.The officers are doing what they can _______ their soldiers from _________.
　　A.to prevent; being wounded B.prevent; wounding
　　C.prevent; being wounded D.prevent; wounded
　　16 Manual workers often receive much higher _______than people who work in
Officers
　　A gains B fees C payments D wages
　17 A private collector is a man who collect __________
A for his own benefit B on his own
C in private D unknown to the public
　18 The _________to this competition was tremendous.
A answer B reply C attraction D reaction