摘要： He was wandering in the park, his time watching the children playing. A. sparing B. killing 答: B. kill one’s time 固定短语, “消磨时间 的意思.
网址：http://m.1010jiajiao.com/timu_id_4228743[举报]
He was wandering in the park, ________ his time watching the children playing.
[ ]
A．saving
B．killing
C．sparing
D．costing