在'The letter was written by her'这个句子里,动词用的是被动语态。
In the sentence 'The letter was written by her', the verb is used in ___the ___passive.
我今天的英语课重点学习了如何构成和使用被动语态。
My English lesson today focused on how to form and use ___the ___passive.
正式报告经常偏爱使用被动语态,以显得更加客观。
Formal reports often favour ___the ___passive voice to sound more objective.