2.Oxygen is often stored as a liquid,although it is used_____as a gas. A.primarily B.seldom C.rarely D.sometimes

2.Oxygen is often stored as a liquid,although it is used_____as a gas.
A.primarily
B.seldom
C.rarely
D.sometimes

出自：大学英语1

提示：
每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10253414】个 (题库试题定时更新)