河南成教 / 商务英语
[填空题]
Invitation cards should be given in advance. The more formal the activity is, and the more important the guest is, the earlier your invitation card must be given to. Generally speaking, it must be （ ） in advance
[填空题]
Invitation cards should be given in advance. The more formal the activity is, and the more important the guest is, the earlier your invitation card must be given to. Generally speaking, it must be （ ） in advance
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