题 题目 · B2 · 5 min
正式还是非正式？
为职场邮件选出更专业的表达。
0 / 5
1 Please ____ attached the report you requested.
2
I would be grateful if you could me know by Friday.
3 Choose the more formal closing.
4 We look ____ to your prompt reply.
5
Thank you your understanding.