中国大学MOOC: It is quite unusual that there is no reply _______ in an invitation.
举一反三
- It is quite unusual that there is no reply _______ in an invitation._
- 中国大学MOOC: A letter of invitation can be classified into formal invitation and informal invitation.
- 中国大学MOOC: If you accept the invitation, you can write_____ when you reply the invitation card.
- 中国大学MOOC: Here are two invitations. The first one is an invitation card. It’s a _________invitation.
- You should not reply to the invitation.