Inordertosaveenergy,manyfactorieshavebroughtinsome
- 習題庫
- 關注:2.31W次
問題詳情:
In order to save energy, many factories have brought in some ____ machines.
ctive B. expensive C. efficient D. extreme
【回答】
C知識點:形容詞
題型:選擇題
標籤:
- 文章版權屬於文章作者所有,轉載請註明 https://zhongwengu.com/zh-tw/exercises/4nzq76.html