Electronic mail to describe an upcoming workshop should use only if potential pa

游客2025-05-04 0

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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