101.The car is equipped with a fifty ____ engine,which will enable you to drive freely.

A.horse power B.horses power C.horse powers D.horses powers

102.How far away is it from here to your school? It's about _____.

A.half an hour's drive B.half hours drives C.half an hour drives D.half an hour drive

101.答案是A,

horse power,马力。 A fifty horse power engine,一台五十马力的发动机。

102.答案是A，

half an hour's drive，开车半小时的路程。