3、English is used _______ an international language of commu

3、English is used _______ an international language of communication.
A、in B、of C、as D、on
be used as 被用来做为~这里是讲英语被用来作为国际性的交流语言故选c
4、Can you tell us _________ every day?
Well,it usually opens at 8：30 a.m.
A、when the restaurant opens B、where the restaurant opens C、where does the restaurant open D、when does the restaurant open
这里是when 引导的宾语从句.在句子中引导的话应该要陈述句语速.故选A
5、English is the most widely spoken language in the world.__________ ,it has helped to spread knowledge and information to all parts of the world.
A、In addition B、In a word C、For example D、In brief
in addition 另外 in a word 总而言之 for example 例如 in brief 简而言之 这里是讲英语是世界上最普遍的语言另外故选A

3,C 意思是作为一门语言
4，A
5，A的意思为“此外”，C意思为“例如”，B 和D 都是“简言之”的意思。所以我觉得B和D都可以。

c a d

3.C 4.D 5.C 以上就是答案