【填空题】
查看正确答案A、Three years ago. B、About three years. C、Next year. D、This year.
搜题
更多“It （） three years since I joined the air force. 【be】 我加入空军已经三年了。”相关的问题
第5题
A、one year from the date of issue B、two years from the date of issue C、three years from the date of issue D、four years from the date of issue
第7题
A、It is bidirectional. B、It carries optimized traffic. C、It can carry traffic using UDP. D、It is formed only within a community
第9题
A、It has the same maximum hop count as version 1 B、It uses broadcasts for its routing updates C、It is a classless routing protocol D、It has a lower default administrative distance than RIP version 1 E、It supports authentication F、It does not send the subnet mask in updates
