(Electronic) mail to describe an upcoming workshop (should use) only (if) potent

游客2025-05-04 12

问题 (Electronic) mail to describe an upcoming workshop (should use) only (if) potential participants use this form of communication (regularly).

选项 A、Electronic
B、should use
C、if
D、regularly

答案 B应改为should be used。

解析主语是物(electronic mail)，故谓语应用被动语态。

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