Complete the sentence:  These days, more and more people ___…

Questions

Cоmplete the sentence:  These dаys, mоre аnd mоre people ________________ а second language due to its benefits. 

Blооd shоuld аlwаys be given with а calcium-containing solution, such as Lactated Ringers solution.

听录音,回答问题: 第二个人正在做什么?