【C10】A．harmB．riskC．lossD．waste

[A] wreck[B] ruin[C] relic[D] waste

Never waste anything, but（) never waste time.A above allB after allC all in allD at all

The passage is mainly about______.A．urban solid waste disposing programB．rural waste dispo

【C13】A．spendB．costC．consumeD．waste

【C8】A．exchangeB．incomeC．wasteD．increase

【C4】A．suicideB．deathC．wasteD．time