Question

【题目】With the _________ of the washing machine, people have more free time to relax.

A. invitation B. invention C. condition D. situation

Answer 1

【答案】B

【解析】句意：随着洗衣机的发明，人们有更多的空闲时间去休息。A. invitation名词，邀请；B. invention名词，发明；C. condition名词，状态、环境；D. situation名词，形势。“洗衣机”是一项发明。故选：B。