Gunpowder was used extensively in firearms prior to 1990.

admin2011-01-01 36

问题 Gunpowder was used extensively in firearms prior to 1990.

选项 A、in
B、around
C、from
D、before

答案D

解析

转载请注明原文地址:https://kaotiyun.com/show/A0Fd777K

职称英语综合类B级

相关试题推荐

随机试题

最新回复(0)