现在完成时的被动语态 — 英语词汇题

用括号内动词的适当形式填空：Since the student forum opened, its sa…

Complete the sentence with the correct forms of the verbs in brackets. Since Mon…

The privacy notice, along with the podcast episodes, ___ (review) and ___ (publi…

用现在完成时的被动语态补全句子：The online safety tips ______ (s…

把句子改写为现在完成时的被动语态：The volunteers have checked e…

根据句意，用 have 或 has 加括号中动词的适当形式填空（过去…